2021131113033 has 16 divisors (see below), whose sum is σ = 2754091376640. Its totient is φ = 1317835646736.

The previous prime is 2021131113017. The next prime is 2021131113137. The reversal of 2021131113033 is 3303111311202.

It is a happy number.

It is not a de Polignac number, because 2021131113033 - 2⁴ = 2021131113017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021131113433) 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, 4777735 + ... + 5183532.

It is an arithmetic number, because the mean of its divisors is an integer number (172130711040).

Almost surely, 2^{2021131113033} is an apocalyptic number.

It is an amenable number.

2021131113033 is a deficient number, since it is larger than the sum of its proper divisors (732960263607).

2021131113033 is a wasteful number, since it uses less digits than its factorization.

2021131113033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9962756.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 2021131113033 its reverse (3303111311202), we get a palindrome (5324242424235).

The spelling of 2021131113033 in words is "two trillion, twenty-one billion, one hundred thirty-one million, one hundred thirteen thousand, thirty-three".