122020021116 has 72 divisors (see below), whose sum is σ = 361099930464. Its totient is φ = 34012546560.

The previous prime is 122020021073. The next prime is 122020021127. The reversal of 122020021116 is 611120020221.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 5894625 + ... + 5915288.

It is an arithmetic number, because the mean of its divisors is an integer number (5015276812).

Almost surely, 2^122020021116 is an apocalyptic number.

It is an amenable number.

122020021116 is an abundant number, since it is smaller than the sum of its proper divisors (239079909348).

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

122020021116 is a wasteful number, since it uses less digits than its factorization.

122020021116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11809971 (or 11809966 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 122020021116 its reverse (611120020221), we get a palindrome (733140041337).

The spelling of 122020021116 in words is "one hundred twenty-two billion, twenty million, twenty-one thousand, one hundred sixteen".