100980836225 has 12 divisors (see below), whose sum is σ = 128270292780. Its totient is φ = 78814310400.

The previous prime is 100980836221. The next prime is 100980836227. The reversal of 100980836225 is 522638089001.

It can be written as a sum of positive squares in 6 ways, for example, as 16649257024 + 84331579201 = 129032^2 + 290399^2 .

It is not a de Polignac number, because 100980836225 - 2² = 100980836221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100980836221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49257920 + ... + 49259969.

It is an arithmetic number, because the mean of its divisors is an integer number (10689191065).

Almost surely, 2^100980836225 is an apocalyptic number.

It is an amenable number.

100980836225 is a deficient number, since it is larger than the sum of its proper divisors (27289456555).

100980836225 is an equidigital number, since it uses as much as digits as its factorization.

100980836225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98517940 (or 98517935 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 100980836225 in words is "one hundred billion, nine hundred eighty million, eight hundred thirty-six thousand, two hundred twenty-five".