102202100102002 has 16 divisors (see below), whose sum is σ = 154117554538680. Its totient is φ = 50829650952192.

The previous prime is 102202100101967. The next prime is 102202100102017. The reversal of 102202100102002 is 200201001202201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 95160395690361 + 7041704411641 = 9755019^2 + 2653621^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14291727 + ... + 20215282.

Almost surely, 2^{102202100102002} is an apocalyptic number.

102202100102002 is a deficient number, since it is larger than the sum of its proper divisors (51915454436678).

102202100102002 is a wasteful number, since it uses less digits than its factorization.

102202100102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34514877.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102202100102002 its reverse (200201001202201), we get a palindrome (302403101304203).

The spelling of 102202100102002 in words is "one hundred two trillion, two hundred two billion, one hundred million, one hundred two thousand, two".