222201121011021 has 12 divisors (see below), whose sum is σ = 334911834567648. Its totient is φ = 141693468470664.

The previous prime is 222201121011013. The next prime is 222201121011043. The reversal of 222201121011021 is 120110121102222.

222201121011021 is a `hidden beast` number, since 222 + 201 + 1 + 210 + 1 + 10 + 21 = 666.

It is not a de Polignac number, because 222201121011021 - 2³ = 222201121011013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222201121010985 and 222201121011003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222201121010021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 536717683395 + ... + 536717683808.

It is an arithmetic number, because the mean of its divisors is an integer number (27909319547304).

Almost surely, 2^{222201121011021} is an apocalyptic number.

It is an amenable number.

222201121011021 is a deficient number, since it is larger than the sum of its proper divisors (112710713556627).

222201121011021 is a wasteful number, since it uses less digits than its factorization.

222201121011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073435367232 (or 1073435367229 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 222201121011021 its reverse (120110121102222), we get a palindrome (342311242113243).

The spelling of 222201121011021 in words is "two hundred twenty-two trillion, two hundred one billion, one hundred twenty-one million, eleven thousand, twenty-one".