102220310100 has 144 divisors (see below), whose sum is σ = 298581584000. Its totient is φ = 26999723520.

The previous prime is 102220310063. The next prime is 102220310147. The reversal of 102220310100 is 1013022201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13667562 + ... + 13675038.

Almost surely, 2^102220310100 is an apocalyptic number.

102220310100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102220310100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149290792000).

102220310100 is an abundant number, since it is smaller than the sum of its proper divisors (196361273900).

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

102220310100 is a wasteful number, since it uses less digits than its factorization.

102220310100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7922 (or 7915 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 102220310100 its reverse (1013022201), we get a palindrome (103233332301).

The spelling of 102220310100 in words is "one hundred two billion, two hundred twenty million, three hundred ten thousand, one hundred".