221122012212022 has 16 divisors (see below), whose sum is σ = 355057646731200. Its totient is φ = 102966717549960.

The previous prime is 221122012211981. The next prime is 221122012212053. The reversal of 221122012212022 is 220212210221122.

It is a junction number, because it is equal to n+sod(n) for n = 221122012211984 and 221122012212002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49313559804 + ... + 49313564287.

It is an arithmetic number, because the mean of its divisors is an integer number (22191102920700).

Almost surely, 2^{221122012212022} is an apocalyptic number.

221122012212022 is a deficient number, since it is larger than the sum of its proper divisors (133935634519178).

221122012212022 is a wasteful number, since it uses less digits than its factorization.

221122012212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98627124171.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 221122012212022 its reverse (220212210221122), we get a palindrome (441334222433144).

The spelling of 221122012212022 in words is "two hundred twenty-one trillion, one hundred twenty-two billion, twelve million, two hundred twelve thousand, twenty-two".