2021232111113 has 16 divisors (see below), whose sum is σ = 2162385072000. Its totient is φ = 1883676533760.

The previous prime is 2021232111109. The next prime is 2021232111137. The reversal of 2021232111113 is 3111112321202.

It is a cyclic number.

It is not a de Polignac number, because 2021232111113 - 2² = 2021232111109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021232111193) 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, 1062806 + ... + 2274207.

It is an arithmetic number, because the mean of its divisors is an integer number (135149067000).

Almost surely, 2^{2021232111113} is an apocalyptic number.

It is an amenable number.

2021232111113 is a deficient number, since it is larger than the sum of its proper divisors (141152960887).

2021232111113 is a wasteful number, since it uses less digits than its factorization.

2021232111113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3337552.

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

Adding to 2021232111113 its reverse (3111112321202), we get a palindrome (5132344432315).

The spelling of 2021232111113 in words is "two trillion, twenty-one billion, two hundred thirty-two million, one hundred eleven thousand, one hundred thirteen".