21940292104124 has 12 divisors (see below), whose sum is σ = 38435053425048. Its totient is φ = 10958848268400.

The previous prime is 21940292104117. The next prime is 21940292104141. The reversal of 21940292104124 is 42140129204912.

It is a super-2 number, since 2×21940292104124² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2824441547 + ... + 2824449314.

It is an arithmetic number, because the mean of its divisors is an integer number (3202921118754).

Almost surely, 2^{21940292104124} is an apocalyptic number.

It is an amenable number.

21940292104124 is a deficient number, since it is larger than the sum of its proper divisors (16494761320924).

21940292104124 is a wasteful number, since it uses less digits than its factorization.

21940292104124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5648891836 (or 5648891834 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 21940292104124 in words is "twenty-one trillion, nine hundred forty billion, two hundred ninety-two million, one hundred four thousand, one hundred twenty-four".