21100222120094 has 24 divisors (see below), whose sum is σ = 34275296905200. Its totient is φ = 9737699482368.

The previous prime is 21100222120079. The next prime is 21100222120139. The reversal of 21100222120094 is 49002122200112.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1049582 + ... + 6580430.

It is an arithmetic number, because the mean of its divisors is an integer number (1428137371050).

Almost surely, 2^{21100222120094} is an apocalyptic number.

21100222120094 is a deficient number, since it is larger than the sum of its proper divisors (13175074785106).

21100222120094 is a wasteful number, since it uses less digits than its factorization.

21100222120094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5542164 (or 5542151 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 21100222120094 in words is "twenty-one trillion, one hundred billion, two hundred twenty-two million, one hundred twenty thousand, ninety-four".