21110112021194 has 32 divisors (see below), whose sum is σ = 36297997122816. Its totient is φ = 9019885190400.

The previous prime is 21110112021133. The next prime is 21110112021293. The reversal of 21110112021194 is 49112021101112.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102282227 + ... + 102488409.

It is an arithmetic number, because the mean of its divisors is an integer number (1134312410088).

Almost surely, 2^{21110112021194} is an apocalyptic number.

21110112021194 is a deficient number, since it is larger than the sum of its proper divisors (15187885101622).

21110112021194 is a wasteful number, since it uses less digits than its factorization.

21110112021194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228230.

The product of its (nonzero) digits is 288, while the sum is 26.

The spelling of 21110112021194 in words is "twenty-one trillion, one hundred ten billion, one hundred twelve million, twenty-one thousand, one hundred ninety-four".