52221115900121 has 32 divisors (see below), whose sum is σ = 61240839340032. Its totient is φ = 43600472199360.

The previous prime is 52221115900087. The next prime is 52221115900153. The reversal of 52221115900121 is 12100951112225.

52221115900121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52221115900121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52221115900321) 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 31 ways as a sum of consecutive naturals, for example, 217730456 + ... + 217970166.

It is an arithmetic number, because the mean of its divisors is an integer number (1913776229376).

Almost surely, 2^{52221115900121} is an apocalyptic number.

It is an amenable number.

52221115900121 is a deficient number, since it is larger than the sum of its proper divisors (9019723439911).

52221115900121 is a wasteful number, since it uses less digits than its factorization.

52221115900121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242909.

The product of its (nonzero) digits is 3600, while the sum is 32.

The spelling of 52221115900121 in words is "fifty-two trillion, two hundred twenty-one billion, one hundred fifteen million, nine hundred thousand, one hundred twenty-one".