122102021211112 has 16 divisors (see below), whose sum is σ = 228941524527840. Its totient is φ = 61050948003696.

The previous prime is 122102021211103. The next prime is 122102021211127. The reversal of 122102021211112 is 211112120201221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 122102021211112.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1057293 + ... + 15662755.

It is an arithmetic number, because the mean of its divisors is an integer number (14308845282990).

Almost surely, 2^{122102021211112} is an apocalyptic number.

It is an amenable number.

122102021211112 is a deficient number, since it is larger than the sum of its proper divisors (106839503316728).

122102021211112 is a wasteful number, since it uses less digits than its factorization.

122102021211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15650472 (or 15650468 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122102021211112 its reverse (211112120201221), we get a palindrome (333214141412333).

The spelling of 122102021211112 in words is "one hundred twenty-two trillion, one hundred two billion, twenty-one million, two hundred eleven thousand, one hundred twelve".