100200010122 has 20 divisors (see below), whose sum is σ = 224522245266. Its totient is φ = 33400003320.

The previous prime is 100200010111. The next prime is 100200010139. The reversal of 100200010122 is 221010002001.

It can be written as a sum of positive squares in only one way, i.e., 50265191601 + 49934818521 = 224199^2 + 223461^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 309259129 + ... + 309259452.

Almost surely, 2^100200010122 is an apocalyptic number.

100200010122 is an abundant number, since it is smaller than the sum of its proper divisors (124322235144).

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

100200010122 is an equidigital number, since it uses as much as digits as its factorization.

100200010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618518595 (or 618518586 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 100200010122 its reverse (221010002001), we get a palindrome (321210012123).

The spelling of 100200010122 in words is "one hundred billion, two hundred million, ten thousand, one hundred twenty-two".