22120211201021 has 16 divisors (see below), whose sum is σ = 23632879334400. Its totient is φ = 20643842958768.

The previous prime is 22120211200979. The next prime is 22120211201071. The reversal of 22120211201021 is 12010211202122.

It is a cyclic number.

It is not a de Polignac number, because 22120211201021 - 2¹⁴ = 22120211184637 is a prime.

It is a super-2 number, since 2×22120211201021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120211201071) 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, 19664261 + ... + 20758698.

It is an arithmetic number, because the mean of its divisors is an integer number (1477054958400).

Almost surely, 2^{22120211201021} is an apocalyptic number.

It is an amenable number.

22120211201021 is a deficient number, since it is larger than the sum of its proper divisors (1512668133379).

22120211201021 is a wasteful number, since it uses less digits than its factorization.

22120211201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40423408.

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

Adding to 22120211201021 its reverse (12010211202122), we get a palindrome (34130422403143).

The spelling of 22120211201021 in words is "twenty-two trillion, one hundred twenty billion, two hundred eleven million, two hundred one thousand, twenty-one".