21141392311 has 8 divisors (see below), whose sum is σ = 22920458400. Its totient is φ = 19384155552.

The previous prime is 21141392309. The next prime is 21141392351. The reversal of 21141392311 is 11329314112.

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 21141392311 - 2¹ = 21141392309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21141392311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21141392351) 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, 5455315 + ... + 5459188.

It is an arithmetic number, because the mean of its divisors is an integer number (2865057300).

Almost surely, 2^21141392311 is an apocalyptic number.

21141392311 is a deficient number, since it is larger than the sum of its proper divisors (1779066089).

21141392311 is a wasteful number, since it uses less digits than its factorization.

21141392311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10914665.

The product of its digits is 1296, while the sum is 28.

The spelling of 21141392311 in words is "twenty-one billion, one hundred forty-one million, three hundred ninety-two thousand, three hundred eleven".