102204102665 has 16 divisors (see below), whose sum is σ = 143953888512. Its totient is φ = 68188682304.

The previous prime is 102204102607. The next prime is 102204102677. The reversal of 102204102665 is 566201402201.

It is a cyclic number.

It is not a de Polignac number, because 102204102665 - 2¹⁰ = 102204101641 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, 39459749 + ... + 39462338.

It is an arithmetic number, because the mean of its divisors is an integer number (8997118032).

Almost surely, 2^102204102665 is an apocalyptic number.

It is an amenable number.

102204102665 is a deficient number, since it is larger than the sum of its proper divisors (41749785847).

102204102665 is an equidigital number, since it uses as much as digits as its factorization.

102204102665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78922136.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 102204102665 its reverse (566201402201), we get a palindrome (668405504866).

The spelling of 102204102665 in words is "one hundred two billion, two hundred four million, one hundred two thousand, six hundred sixty-five".