21100100310002 has 32 divisors (see below), whose sum is σ = 36457230643200. Its totient is φ = 8971495787520.

The previous prime is 21100100310001. The next prime is 21100100310011. The reversal of 21100100310002 is 20001300100112.

It is a super-3 number, since 3×21100100310002³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (21100100310001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101314874 + ... + 101522922.

It is an arithmetic number, because the mean of its divisors is an integer number (1139288457600).

Almost surely, 2^{21100100310002} is an apocalyptic number.

21100100310002 is a deficient number, since it is larger than the sum of its proper divisors (15357130333198).

21100100310002 is a wasteful number, since it uses less digits than its factorization.

21100100310002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265226.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 21100100310002 its reverse (20001300100112), we get a palindrome (41101400410114).

The spelling of 21100100310002 in words is "twenty-one trillion, one hundred billion, one hundred million, three hundred ten thousand, two".