21100310002 has 16 divisors (see below), whose sum is σ = 34225286400. Its totient is φ = 9718289728.

The previous prime is 21100309999. The next prime is 21100310051. The reversal of 21100310002 is 20001300112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6600502 + ... + 6603697.

It is an arithmetic number, because the mean of its divisors is an integer number (2139080400).

Almost surely, 2^21100310002 is an apocalyptic number.

21100310002 is a deficient number, since it is larger than the sum of its proper divisors (13124976398).

21100310002 is a wasteful number, since it uses less digits than its factorization.

21100310002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13204265.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 21100310002 its reverse (20001300112), we get a palindrome (41101610114).

The spelling of 21100310002 in words is "twenty-one billion, one hundred million, three hundred ten thousand, two".