2123221202013 has 32 divisors (see below), whose sum is σ = 2886547415040. Its totient is φ = 1387939737600.

The previous prime is 2123221202009. The next prime is 2123221202017. The reversal of 2123221202013 is 3102021223212.

It is an interprime number because it is at equal distance from previous prime (2123221202009) and next prime (2123221202017).

It is not a de Polignac number, because 2123221202013 - 2² = 2123221202009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123221202017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224129245 + ... + 224138717.

It is an arithmetic number, because the mean of its divisors is an integer number (90204606720).

Almost surely, 2^{2123221202013} is an apocalyptic number.

It is an amenable number.

2123221202013 is a deficient number, since it is larger than the sum of its proper divisors (763326213027).

2123221202013 is a wasteful number, since it uses less digits than its factorization.

2123221202013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15969.

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

Adding to 2123221202013 its reverse (3102021223212), we get a palindrome (5225242425225).

The spelling of 2123221202013 in words is "two trillion, one hundred twenty-three billion, two hundred twenty-one million, two hundred two thousand, thirteen".