122010202021121 has 16 divisors (see below), whose sum is σ = 131612275267200. Its totient is φ = 112728234326400.

The previous prime is 122010202021111. The next prime is 122010202021241. The reversal of 122010202021121 is 121120202010221.

It is a cyclic number.

It is not a de Polignac number, because 122010202021121 - 2³⁴ = 121993022151937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122010202021121.

It is not an unprimeable number, because it can be changed into a prime (122010202021111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26435381 + ... + 30705858.

It is an arithmetic number, because the mean of its divisors is an integer number (8225767204200).

Almost surely, 2^{122010202021121} is an apocalyptic number.

It is an amenable number.

122010202021121 is a deficient number, since it is larger than the sum of its proper divisors (9602073246079).

122010202021121 is a wasteful number, since it uses less digits than its factorization.

122010202021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57144040.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122010202021121 its reverse (121120202010221), we get a palindrome (243130404031342).

The spelling of 122010202021121 in words is "one hundred twenty-two trillion, ten billion, two hundred two million, twenty-one thousand, one hundred twenty-one".