252021253403211 has 16 divisors (see below), whose sum is σ = 336772981949184. Its totient is φ = 167641958880864.

The previous prime is 252021253403207. The next prime is 252021253403221. The reversal of 252021253403211 is 112304352120252.

It is not a de Polignac number, because 252021253403211 - 2² = 252021253403207 is a prime.

It is a super-2 number, since 2×252021253403211² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (252021253403221) 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 15 ways as a sum of consecutive naturals, for example, 4990596 + ... + 22998881.

It is an arithmetic number, because the mean of its divisors is an integer number (21048311371824).

Almost surely, 2^{252021253403211} is an apocalyptic number.

252021253403211 is a deficient number, since it is larger than the sum of its proper divisors (84751728545973).

252021253403211 is a wasteful number, since it uses less digits than its factorization.

252021253403211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27996130.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 252021253403211 in words is "two hundred fifty-two trillion, twenty-one billion, two hundred fifty-three million, four hundred three thousand, two hundred eleven".