21940502119 has 8 divisors (see below), whose sum is σ = 22119419520. Its totient is φ = 21761758200.

The previous prime is 21940502063. The next prime is 21940502179. The reversal of 21940502119 is 91120504912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21940502119 - 2⁷ = 21940501991 is a prime.

It is a super-2 number, since 2×21940502119² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21940502179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216934 + ... + 301564.

It is an arithmetic number, because the mean of its divisors is an integer number (2764927440).

Almost surely, 2^21940502119 is an apocalyptic number.

21940502119 is a deficient number, since it is larger than the sum of its proper divisors (178917401).

21940502119 is a wasteful number, since it uses less digits than its factorization.

21940502119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86741.

The product of its (nonzero) digits is 6480, while the sum is 34.

The spelling of 21940502119 in words is "twenty-one billion, nine hundred forty million, five hundred two thousand, one hundred nineteen".