202122112112152 has 16 divisors (see below), whose sum is σ = 378979826213160. Its totient is φ = 101060825121984.

The previous prime is 202122112112147. The next prime is 202122112112153. The reversal of 202122112112152 is 251211211221202.

It is a super-2 number, since 2×202122112112152² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202122112112153) 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 3 ways as a sum of consecutive naturals, for example, 25118373 + ... + 32174164.

Almost surely, 2^{202122112112152} is an apocalyptic number.

It is an amenable number.

202122112112152 is a deficient number, since it is larger than the sum of its proper divisors (176857714101008).

202122112112152 is a wasteful number, since it uses less digits than its factorization.

202122112112152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57733530 (or 57733526 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 25.

Adding to 202122112112152 its reverse (251211211221202), we get a palindrome (453333323333354).

The spelling of 202122112112152 in words is "two hundred two trillion, one hundred twenty-two billion, one hundred twelve million, one hundred twelve thousand, one hundred fifty-two".