21103242094 has 32 divisors (see below), whose sum is σ = 36602191872. Its totient is φ = 9018672000.

The previous prime is 21103242047. The next prime is 21103242103. The reversal of 21103242094 is 49024230112.

It is a congruent 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, 334099 + ... + 392209.

It is an arithmetic number, because the mean of its divisors is an integer number (1143818496).

Almost surely, 2^21103242094 is an apocalyptic number.

21103242094 is a deficient number, since it is larger than the sum of its proper divisors (15498949778).

21103242094 is a wasteful number, since it uses less digits than its factorization.

21103242094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59112.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 21103242094 in words is "twenty-one billion, one hundred three million, two hundred forty-two thousand, ninety-four".