122021111202112 has 56 divisors (see below), whose sum is σ = 242823232310400. Its totient is φ = 60837369255936.

The previous prime is 122021111202049. The next prime is 122021111202187. The reversal of 122021111202112 is 211202111120221.

It is a happy number.

It is a super-2 number, since 2×122021111202112² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122021111202112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120996153 + ... + 122000455.

It is an arithmetic number, because the mean of its divisors is an integer number (4336129148400).

Almost surely, 2^{122021111202112} is an apocalyptic number.

It is an amenable number.

122021111202112 is a deficient number, since it is larger than the sum of its proper divisors (120802121108288).

122021111202112 is a wasteful number, since it uses less digits than its factorization.

122021111202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009703 (or 1009693 counting only the distinct ones).

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

Adding to 122021111202112 its reverse (211202111120221), we get a palindrome (333223222322333).

The spelling of 122021111202112 in words is "one hundred twenty-two trillion, twenty-one billion, one hundred eleven million, two hundred two thousand, one hundred twelve".