102220516662157 has 16 divisors (see below), whose sum is σ = 107141067583488. Its totient is φ = 97340591272320.

The previous prime is 102220516662139. The next prime is 102220516662169. The reversal of 102220516662157 is 751266615022201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102220516662157 - 2³⁹ = 101670760848269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102220516666157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5959008 + ... + 15490345.

It is an arithmetic number, because the mean of its divisors is an integer number (6696316723968).

Almost surely, 2^{102220516662157} is an apocalyptic number.

It is an amenable number.

102220516662157 is a deficient number, since it is larger than the sum of its proper divisors (4920550921331).

102220516662157 is a wasteful number, since it uses less digits than its factorization.

102220516662157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21450300.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 102220516662157 in words is "one hundred two trillion, two hundred twenty billion, five hundred sixteen million, six hundred sixty-two thousand, one hundred fifty-seven".