21112232010311 has 16 divisors (see below), whose sum is σ = 22779656161920. Its totient is φ = 19451017958880.

The previous prime is 21112232010307. The next prime is 21112232010329. The reversal of 21112232010311 is 11301023221112.

It is a cyclic number.

It is not a de Polignac number, because 21112232010311 - 2² = 21112232010307 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 (21112232010361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56102900 + ... + 56477958.

It is an arithmetic number, because the mean of its divisors is an integer number (1423728510120).

Almost surely, 2^{21112232010311} is an apocalyptic number.

21112232010311 is a deficient number, since it is larger than the sum of its proper divisors (1667424151609).

21112232010311 is a wasteful number, since it uses less digits than its factorization.

21112232010311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383326.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 21112232010311 its reverse (11301023221112), we get a palindrome (32413255231423).

The spelling of 21112232010311 in words is "twenty-one trillion, one hundred twelve billion, two hundred thirty-two million, ten thousand, three hundred eleven".