21100443413298 has 16 divisors (see below), whose sum is σ = 42246807280320. Its totient is φ = 7025827728816.

The previous prime is 21100443413297. The next prime is 21100443413311. The reversal of 21100443413298 is 89231434400112.

It is not an unprimeable number, because it can be changed into a prime (21100443413297) 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, 1913346265 + ... + 1913357292.

It is an arithmetic number, because the mean of its divisors is an integer number (2640425455020).

Almost surely, 2^{21100443413298} is an apocalyptic number.

21100443413298 is an abundant number, since it is smaller than the sum of its proper divisors (21146363867022).

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

21100443413298 is a wasteful number, since it uses less digits than its factorization.

21100443413298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3826704481.

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 21100443413298 in words is "twenty-one trillion, one hundred billion, four hundred forty-three million, four hundred thirteen thousand, two hundred ninety-eight".