122021022221112 has 96 divisors (see below), whose sum is σ = 359718110211600. Its totient is φ = 34385571795456.

The previous prime is 122021022221099. The next prime is 122021022221141. The reversal of 122021022221112 is 211122220120221.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 710594787 + ... + 710766482.

Almost surely, 2^{122021022221112} is an apocalyptic number.

122021022221112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122021022221112 is an abundant number, since it is smaller than the sum of its proper divisors (237697087990488).

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

122021022221112 is a wasteful number, since it uses less digits than its factorization.

122021022221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421361365 (or 1421361354 counting only the distinct ones).

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

Adding to 122021022221112 its reverse (211122220120221), we get a palindrome (333143242341333).

The spelling of 122021022221112 in words is "one hundred twenty-two trillion, twenty-one billion, twenty-two million, two hundred twenty-one thousand, one hundred twelve".