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2122010101222 = 211277348213013
BaseRepresentation
bin11110111000010001101…
…010001000010111100110
321111212021112101011221221
4132320101222020113212
5234231334041214342
64302501000530554
7306211250152624
oct36702152102746
97455245334857
102122010101222
11748a37421790
122a3314a80a5a
1312514902173b
14749c4b60514
153a2e968da67
hex1ee11a885e6

2122010101222 has 16 divisors (see below), whose sum is σ = 3484915844112. Its totient is φ = 961067913120.

The previous prime is 2122010101207. The next prime is 2122010101229. The reversal of 2122010101222 is 2221010102212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2122010101196 and 2122010101205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122010101229) 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, 174100413 + ... + 174112600.

It is an arithmetic number, because the mean of its divisors is an integer number (217807240257).

Almost surely, 22122010101222 is an apocalyptic number.

2122010101222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2122010101222 is a deficient number, since it is larger than the sum of its proper divisors (1362905742890).

2122010101222 is a wasteful number, since it uses less digits than its factorization.

2122010101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348213303.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2122010101222 its reverse (2221010102212), we get a palindrome (4343020203434).

The spelling of 2122010101222 in words is "two trillion, one hundred twenty-two billion, ten million, one hundred one thousand, two hundred twenty-two".

Divisors: 1 2 11 22 277 554 3047 6094 348213013 696426026 3830343143 7660686286 96455004601 192910009202 1061005050611 2122010101222