102210322100 has 36 divisors (see below), whose sum is σ = 221828617164. Its totient is φ = 40878190080.

The previous prime is 102210322099. The next prime is 102210322129. The reversal of 102210322100 is 1223012201.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 6434927524 + 95775394576 = 80218^2 + 309476^2 .

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, 653084 + ... + 794316.

Almost surely, 2^102210322100 is an apocalyptic number.

102210322100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102210322100 is an abundant number, since it is smaller than the sum of its proper divisors (119618295064).

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

102210322100 is a wasteful number, since it uses less digits than its factorization.

102210322100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148484 (or 148477 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 102210322100 its reverse (1223012201), we get a palindrome (103433334301).

The spelling of 102210322100 in words is "one hundred two billion, two hundred ten million, three hundred twenty-two thousand, one hundred".