100222123210 has 108 divisors (see below), whose sum is σ = 209714162994. Its totient is φ = 34454201760.

The previous prime is 100222123171. The next prime is 100222123213. The reversal of 100222123210 is 12321222001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 90199910889 + 10022212321 = 300333^2 + 100111^2 .

It is not an unprimeable number, because it can be changed into a prime (100222123213) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 209231751 + ... + 209232229.

Almost surely, 2^100222123210 is an apocalyptic number.

100222123210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100222123210 is an abundant number, since it is smaller than the sum of its proper divisors (109492039784).

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

100222123210 is an equidigital number, since it uses as much as digits as its factorization.

100222123210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 100222123210 its reverse (12321222001), we get a palindrome (112543345211).

The spelling of 100222123210 in words is "one hundred billion, two hundred twenty-two million, one hundred twenty-three thousand, two hundred ten".