102221280089665 has 16 divisors (see below), whose sum is σ = 133875924822720. Its totient is φ = 74309984521920.

The previous prime is 102221280089639. The next prime is 102221280089689. The reversal of 102221280089665 is 566980082122201.

It is not a de Polignac number, because 102221280089665 - 2⁵ = 102221280089633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409431999 + ... + 409681588.

It is an arithmetic number, because the mean of its divisors is an integer number (8367245301420).

Almost surely, 2^{102221280089665} is an apocalyptic number.

It is an amenable number.

102221280089665 is a deficient number, since it is larger than the sum of its proper divisors (31654644733055).

102221280089665 is a wasteful number, since it uses less digits than its factorization.

102221280089665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819115872.

The product of its (nonzero) digits is 1658880, while the sum is 52.

The spelling of 102221280089665 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred eighty million, eighty-nine thousand, six hundred sixty-five".