122021220221112 has 32 divisors (see below), whose sum is σ = 322997347645200. Its totient is φ = 38281167128064.

The previous prime is 122021220221071. The next prime is 122021220221167. The reversal of 122021220221112 is 211122022120221.

It is a super-2 number, since 2×122021220221112² (a number of 29 digits) contains 22 as substring.

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, 149535808687 + ... + 149535809502.

Almost surely, 2^{122021220221112} is an apocalyptic number.

122021220221112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122021220221112 is an abundant number, since it is smaller than the sum of its proper divisors (200976127424088).

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

122021220221112 is a wasteful number, since it uses less digits than its factorization.

122021220221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299071618215 (or 299071618211 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122021220221112 its reverse (211122022120221), we get a palindrome (333143242341333).

The spelling of 122021220221112 in words is "one hundred twenty-two trillion, twenty-one billion, two hundred twenty million, two hundred twenty-one thousand, one hundred twelve".