2203000100100 has 90 divisors (see below), whose sum is σ = 7141256029754. Its totient is φ = 587466691200.

The previous prime is 2203000100083. The next prime is 2203000100177. The reversal of 2203000100100 is 10010003022.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 672885527616 + 1530114572484 = 820296^2 + 1236978^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is a super-2 number, since 2×2203000100100² (a number of 25 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 135979561 + ... + 135995760.

Almost surely, 2^{2203000100100} is an apocalyptic number.

2203000100100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2203000100100 is an abundant number, since it is smaller than the sum of its proper divisors (4938255929654).

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

2203000100100 is a wasteful number, since it uses less digits than its factorization.

2203000100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271975347 (or 271975331 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 2203000100100 its reverse (10010003022), we get a palindrome (2213010103122).

The spelling of 2203000100100 in words is "two trillion, two hundred three billion, one hundred thousand, one hundred".