21100112000002 has 16 divisors (see below), whose sum is σ = 36208417767552. Its totient is φ = 9033705843840.

The previous prime is 21100111999997. The next prime is 21100112000003. The reversal of 21100112000002 is 20000021100112.

It is not an unprimeable number, because it can be changed into a prime (21100112000003) 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, 766593999 + ... + 766621522.

It is an arithmetic number, because the mean of its divisors is an integer number (2263026110472).

Almost surely, 2^{21100112000002} is an apocalyptic number.

21100112000002 is a deficient number, since it is larger than the sum of its proper divisors (15108305767550).

21100112000002 is a wasteful number, since it uses less digits than its factorization.

21100112000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533216513.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 21100112000002 its reverse (20000021100112), we get a palindrome (41100133100114).

The spelling of 21100112000002 in words is "twenty-one trillion, one hundred billion, one hundred twelve million, two", and thus it is an aban number.