2122122011021 has 8 divisors (see below), whose sum is σ = 2242116784800. Its totient is φ = 2002957651440.

The previous prime is 2122122011011. The next prime is 2122122011069. The reversal of 2122122011021 is 1201102212212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2122122011021 - 2²⁶ = 2122054902157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122122011011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207598295 + ... + 207608516.

It is an arithmetic number, because the mean of its divisors is an integer number (280264598100).

Almost surely, 2^{2122122011021} is an apocalyptic number.

It is an amenable number.

2122122011021 is a deficient number, since it is larger than the sum of its proper divisors (119994773779).

2122122011021 is a wasteful number, since it uses less digits than its factorization.

2122122011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415207099.

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

Adding to 2122122011021 its reverse (1201102212212), we get a palindrome (3323224223233).

The spelling of 2122122011021 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-two million, eleven thousand, twenty-one".