21100112010002 has 16 divisors (see below), whose sum is σ = 32088378597792. Its totient is φ = 10404027672480.

The previous prime is 21100112009971. The next prime is 21100112010041. The reversal of 21100112010002 is 20001021100112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9453524 + ... + 11470367.

It is an arithmetic number, because the mean of its divisors is an integer number (2005523662362).

Almost surely, 2^{21100112010002} is an apocalyptic number.

21100112010002 is a deficient number, since it is larger than the sum of its proper divisors (10988266587790).

21100112010002 is a wasteful number, since it uses less digits than its factorization.

21100112010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20930873.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 21100112010002 its reverse (20001021100112), we get a palindrome (41101133110114).

The spelling of 21100112010002 in words is "twenty-one trillion, one hundred billion, one hundred twelve million, ten thousand, two".