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101201210220222 = 23271987404219531
BaseRepresentation
bin10111000000101010111110…
…001011111001111010111110
3111021022202000100021012022100
4113000222332023321322332
5101231040034304021342
6555123105534325530
730213355221431160
oct2700527613717276
9437282010235270
10101201210220222
112a27821294a672
12b4255806598a6
134461305392c98
141adc243d6a930
15ba7720863e4c
hex5c0abe2f9ebe

101201210220222 has 48 divisors (see below), whose sum is σ = 250719590040192. Its totient is φ = 28900079516880.

The previous prime is 101201210220217. The next prime is 101201210220223. The reversal of 101201210220222 is 222022012102101.

It is a happy number.

101201210220222 is a `hidden beast` number, since 1 + 0 + 1 + 201 + 21 + 0 + 220 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 101201210220195 and 101201210220204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101201210220223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 201859404 + ... + 202360127.

It is an arithmetic number, because the mean of its divisors is an integer number (5223324792504).

Almost surely, 2101201210220222 is an apocalyptic number.

101201210220222 is an abundant number, since it is smaller than the sum of its proper divisors (149518379819970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101201210220222 is a wasteful number, since it uses less digits than its factorization.

101201210220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404221533 (or 404221530 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 101201210220222 its reverse (222022012102101), we get a palindrome (323223222322323).

The spelling of 101201210220222 in words is "one hundred one trillion, two hundred one billion, two hundred ten million, two hundred twenty thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 1987 3974 5961 11922 13909 17883 27818 35766 41727 83454 125181 250362 404219531 808439062 1212658593 2425317186 2829536717 3637975779 5659073434 7275951558 8488610151 16977220302 25465830453 50931660906 803184208097 1606368416194 2409552624291 4819105248582 5622289456679 7228657872873 11244578913358 14457315745746 16866868370037 33733736740074 50600605110111 101201210220222