21000112002194 has 16 divisors (see below), whose sum is σ = 33930859036032. Its totient is φ = 9690187618128.

The previous prime is 21000112002143. The next prime is 21000112002217. The reversal of 21000112002194 is 49120021100012.

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, 90372044 + ... + 90604119.

It is an arithmetic number, because the mean of its divisors is an integer number (2120678689752).

Almost surely, 2^{21000112002194} is an apocalyptic number.

21000112002194 is a deficient number, since it is larger than the sum of its proper divisors (12930747033838).

21000112002194 is a wasteful number, since it uses less digits than its factorization.

21000112002194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180980641.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 21000112002194 in words is "twenty-one trillion, one hundred twelve million, two thousand, one hundred ninety-four".