100102222550 has 24 divisors (see below), whose sum is σ = 203116510872. Its totient is φ = 36400808000.

The previous prime is 100102222511. The next prime is 100102222607. The reversal of 100102222550 is 55222201001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91001471 + ... + 91002570.

It is an arithmetic number, because the mean of its divisors is an integer number (8463187953).

Almost surely, 2^100102222550 is an apocalyptic number.

100102222550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100102222550 is an abundant number, since it is smaller than the sum of its proper divisors (103014288322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100102222550 is a wasteful number, since it uses less digits than its factorization.

100102222550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182004064 (or 182004059 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 100102222550 its reverse (55222201001), we get a palindrome (155324423551).

The spelling of 100102222550 in words is "one hundred billion, one hundred two million, two hundred twenty-two thousand, five hundred fifty".