102402250205522 has 4 divisors (see below), whose sum is σ = 153603375308286. Its totient is φ = 51201125102760.

The previous prime is 102402250205503. The next prime is 102402250205551. The reversal of 102402250205522 is 225502052204201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 64303222307041 + 38099027898481 = 8018929^2 + 6172441^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25600562551379 + ... + 25600562551382.

Almost surely, 2^{102402250205522} is an apocalyptic number.

102402250205522 is a deficient number, since it is larger than the sum of its proper divisors (51201125102764).

102402250205522 is an equidigital number, since it uses as much as digits as its factorization.

102402250205522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51201125102763.

The product of its (nonzero) digits is 32000, while the sum is 32.

The spelling of 102402250205522 in words is "one hundred two trillion, four hundred two billion, two hundred fifty million, two hundred five thousand, five hundred twenty-two".