122021011021112 has 128 divisors (see below), whose sum is σ = 274052409523200. Its totient is φ = 49799512654848.

The previous prime is 122021011021081. The next prime is 122021011021163. The reversal of 122021011021112 is 211120110120221.

It is a super-2 number, since 2×122021011021112² (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 31 ways as a sum of consecutive naturals, for example, 337108964 + ... + 337470732.

It is an arithmetic number, because the mean of its divisors is an integer number (2141034449400).

Almost surely, 2^{122021011021112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122021011021112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137026204761600).

122021011021112 is an abundant number, since it is smaller than the sum of its proper divisors (152031398502088).

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

122021011021112 is a wasteful number, since it uses less digits than its factorization.

122021011021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362965 (or 362961 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 122021011021112 its reverse (211120110120221), we get a palindrome (333141121141333).

The spelling of 122021011021112 in words is "one hundred twenty-two trillion, twenty-one billion, eleven million, twenty-one thousand, one hundred twelve".