21130424142311 has 4 divisors (see below), whose sum is σ = 23051371791624. Its totient is φ = 19209476493000.

The previous prime is 21130424142277. The next prime is 21130424142353. The reversal of 21130424142311 is 11324142403112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21130424142311 - 2²² = 21130419948007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21130424142371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 960473824640 + ... + 960473824661.

It is an arithmetic number, because the mean of its divisors is an integer number (5762842947906).

Almost surely, 2^{21130424142311} is an apocalyptic number.

21130424142311 is a deficient number, since it is larger than the sum of its proper divisors (1920947649313).

21130424142311 is a wasteful number, since it uses less digits than its factorization.

21130424142311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920947649312.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 21130424142311 its reverse (11324142403112), we get a palindrome (32454566545423).

The spelling of 21130424142311 in words is "twenty-one trillion, one hundred thirty billion, four hundred twenty-four million, one hundred forty-two thousand, three hundred eleven".