122222021011021 has 16 divisors (see below), whose sum is σ = 122575404672000. Its totient is φ = 121869205780608.

The previous prime is 122222021011009. The next prime is 122222021011033. The reversal of 122222021011021 is 120110120222221.

It is an interprime number because it is at equal distance from previous prime (122222021011009) and next prime (122222021011033).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122222021011021 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 122222021011021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122222021011621) 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, 2368021411 + ... + 2368073023.

It is an arithmetic number, because the mean of its divisors is an integer number (7660962792000).

Almost surely, 2^{122222021011021} is an apocalyptic number.

It is an amenable number.

122222021011021 is a deficient number, since it is larger than the sum of its proper divisors (353383660979).

122222021011021 is a wasteful number, since it uses less digits than its factorization.

122222021011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56988.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122222021011021 its reverse (120110120222221), we get a palindrome (242332141233242).

The spelling of 122222021011021 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, twenty-one million, eleven thousand, twenty-one".