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101202122120221 = 2231006745080081
BaseRepresentation
bin10111000000101011110100…
…100010100001110000011101
3111021022211100220011111221101
4113000223310202201300131
5101231043421230321341
6555123340231433101
730213416633441563
oct2700536442416035
9437284326144841
10101202122120221
112a27864066a631
12b425795b25791
13446141c294c95
141adc2cd103a33
15ba7775941831
hex5c0af48a1c1d

101202122120221 has 8 divisors (see below), whose sum is σ = 101666043489024. Its totient is φ = 100738290932160.

The previous prime is 101202122120147. The next prime is 101202122120287. The reversal of 101202122120221 is 122021221202101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101202122120221 is a prime.

It is a super-4 number, since 4×1012021221202214 (a number of 57 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101202122120521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20295100 + ... + 24784981.

It is an arithmetic number, because the mean of its divisors is an integer number (12708255436128).

Almost surely, 2101202122120221 is an apocalyptic number.

It is an amenable number.

101202122120221 is a deficient number, since it is larger than the sum of its proper divisors (463921368803).

101202122120221 is a wasteful number, since it uses less digits than its factorization.

101202122120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45090371.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 101202122120221 its reverse (122021221202101), we get a palindrome (223223343322322).

The spelling of 101202122120221 in words is "one hundred one trillion, two hundred two billion, one hundred twenty-two million, one hundred twenty thousand, two hundred twenty-one".

Divisors: 1 223 10067 2244941 45080081 10052858063 453821175427 101202122120221