122020110121 has 24 divisors (see below), whose sum is σ = 160905655680. Its totient is φ = 91462144032.

The previous prime is 122020110119. The next prime is 122020110181. The reversal of 122020110121 is 121011020221.

It is not a de Polignac number, because 122020110121 - 2¹ = 122020110119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (122020110101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5028801 + ... + 5053006.

It is an arithmetic number, because the mean of its divisors is an integer number (6704402320).

Almost surely, 2^122020110121 is an apocalyptic number.

It is an amenable number.

122020110121 is a deficient number, since it is larger than the sum of its proper divisors (38885545559).

122020110121 is a wasteful number, since it uses less digits than its factorization.

122020110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10081853 (or 10081846 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122020110121 its reverse (121011020221), we get a palindrome (243031130342).

The spelling of 122020110121 in words is "one hundred twenty-two billion, twenty million, one hundred ten thousand, one hundred twenty-one".