21140414311 has 8 divisors (see below), whose sum is σ = 22387814640. Its totient is φ = 19893441408.

The previous prime is 21140414249. The next prime is 21140414329. The reversal of 21140414311 is 11341404112.

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 21140414311 - 2²³ = 21132025703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21140414111) 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, 2076 + ... + 205633.

It is an arithmetic number, because the mean of its divisors is an integer number (2798476830).

Almost surely, 2^21140414311 is an apocalyptic number.

21140414311 is a deficient number, since it is larger than the sum of its proper divisors (1247400329).

21140414311 is a wasteful number, since it uses less digits than its factorization.

21140414311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213713.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 21140414311 its reverse (11341404112), we get a palindrome (32481818423).

The spelling of 21140414311 in words is "twenty-one billion, one hundred forty million, four hundred fourteen thousand, three hundred eleven".