212022233023221 has 24 divisors (see below), whose sum is σ = 322373658464000. Its totient is φ = 133908499372032.

The previous prime is 212022233023217. The next prime is 212022233023273. The reversal of 212022233023221 is 122320332220212.

212022233023221 is a `hidden beast` number, since 2 + 1 + 2 + 0 + 2 + 2 + 2 + 330 + 2 + 322 + 1 = 666.

It is not a de Polignac number, because 212022233023221 - 2² = 212022233023217 is a prime.

It is a super-3 number, since 3×212022233023221³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212022233023291) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107670645 + ... + 109622133.

Almost surely, 2^{212022233023221} is an apocalyptic number.

It is an amenable number.

212022233023221 is a deficient number, since it is larger than the sum of its proper divisors (110351425440779).

212022233023221 is a wasteful number, since it uses less digits than its factorization.

212022233023221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2586873 (or 2586870 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 212022233023221 its reverse (122320332220212), we get a palindrome (334342565243433).

The spelling of 212022233023221 in words is "two hundred twelve trillion, twenty-two billion, two hundred thirty-three million, twenty-three thousand, two hundred twenty-one".