100202221120 has 56 divisors (see below), whose sum is σ = 239064914808. Its totient is φ = 40003891200.

The previous prime is 100202221111. The next prime is 100202221121. The reversal of 100202221120 is 21122202001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6669008896 + 93533212224 = 81664^2 + 305832^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100202221120.

It is not an unprimeable number, because it can be changed into a prime (100202221121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133791 + ... + 467230.

Almost surely, 2^100202221120 is an apocalyptic number.

100202221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100202221120 is an abundant number, since it is smaller than the sum of its proper divisors (138862693688).

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

100202221120 is an equidigital number, since it uses as much as digits as its factorization.

100202221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601559 (or 601549 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100202221120 its reverse (21122202001), we get a palindrome (121324423121).

The spelling of 100202221120 in words is "one hundred billion, two hundred two million, two hundred twenty-one thousand, one hundred twenty".