22122134023221 has 6 divisors (see below), whose sum is σ = 31954193589110. Its totient is φ = 14748089348808.

The previous prime is 22122134023201. The next prime is 22122134023277. The reversal of 22122134023221 is 12232043122122.

22122134023221 is a `hidden beast` number, since 2 + 2 + 1 + 22 + 13 + 402 + 3 + 221 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21651441978321 + 470692044900 = 4653111^2 + 686070^2 .

It is not a de Polignac number, because 22122134023221 - 2¹¹ = 22122134021173 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 (22122134023201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1229007445726 + ... + 1229007445743.

Almost surely, 2^{22122134023221} is an apocalyptic number.

It is an amenable number.

22122134023221 is a deficient number, since it is larger than the sum of its proper divisors (9832059565889).

22122134023221 is a wasteful number, since it uses less digits than its factorization.

22122134023221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458014891475 (or 2458014891472 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 22122134023221 its reverse (12232043122122), we get a palindrome (34354177145343).

The spelling of 22122134023221 in words is "twenty-two trillion, one hundred twenty-two billion, one hundred thirty-four million, twenty-three thousand, two hundred twenty-one".