22021120133321 has 16 divisors (see below), whose sum is σ = 22206137724288. Its totient is φ = 21836644368000.

The previous prime is 22021120133317. The next prime is 22021120133329. The reversal of 22021120133321 is 12333102112022.

It is a cyclic number.

It is not a de Polignac number, because 22021120133321 - 2² = 22021120133317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22021120133329) 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, 260460971 + ... + 260545503.

It is an arithmetic number, because the mean of its divisors is an integer number (1387883607768).

Almost surely, 2^{22021120133321} is an apocalyptic number.

It is an amenable number.

22021120133321 is a deficient number, since it is larger than the sum of its proper divisors (185017590967).

22021120133321 is a wasteful number, since it uses less digits than its factorization.

22021120133321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87712.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 22021120133321 its reverse (12333102112022), we get a palindrome (34354222245343).

The spelling of 22021120133321 in words is "twenty-two trillion, twenty-one billion, one hundred twenty million, one hundred thirty-three thousand, three hundred twenty-one".