2021232122013 has 8 divisors (see below), whose sum is σ = 2902282021408. Its totient is φ = 1243835151984.

The previous prime is 2021232121963. The next prime is 2021232122051. The reversal of 2021232122013 is 3102212321202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2021232122013 - 2⁶ = 2021232121949 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 (2021232122113) 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, 25913232295 + ... + 25913232372.

It is an arithmetic number, because the mean of its divisors is an integer number (362785252676).

Almost surely, 2^{2021232122013} is an apocalyptic number.

It is an amenable number.

2021232122013 is a deficient number, since it is larger than the sum of its proper divisors (881049899395).

2021232122013 is a wasteful number, since it uses less digits than its factorization.

2021232122013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51826464683.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2021232122013 its reverse (3102212321202), we get a palindrome (5123444443215).

The spelling of 2021232122013 in words is "two trillion, twenty-one billion, two hundred thirty-two million, one hundred twenty-two thousand, thirteen".