210100219999957 has 32 divisors (see below), whose sum is σ = 243086402764800. Its totient is φ = 177861682424448.

The previous prime is 210100219999939. The next prime is 210100220000009. The reversal of 210100219999957 is 759999912001012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 210100219999957 - 2⁴³ = 201304126977749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210100219999937) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2033458344 + ... + 2033561662.

It is an arithmetic number, because the mean of its divisors is an integer number (7596450086400).

Almost surely, 2^{210100219999957} is an apocalyptic number.

It is an amenable number.

210100219999957 is a deficient number, since it is larger than the sum of its proper divisors (32986182764843).

210100219999957 is a wasteful number, since it uses less digits than its factorization.

210100219999957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107065.

The product of its (nonzero) digits is 8266860, while the sum is 64.

The spelling of 210100219999957 in words is "two hundred ten trillion, one hundred billion, two hundred nineteen million, nine hundred ninety-nine thousand, nine hundred fifty-seven".