2123331321201 has 16 divisors (see below), whose sum is σ = 2884652580096. Its totient is φ = 1388784490496.

The previous prime is 2123331321143. The next prime is 2123331321227. The reversal of 2123331321201 is 1021231333212.

It is a cyclic number.

It is not a de Polignac number, because 2123331321201 - 2³³ = 2114741386609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2123338321201) 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, 3480241 + ... + 4044593.

It is an arithmetic number, because the mean of its divisors is an integer number (180290786256).

Almost surely, 2^{2123331321201} is an apocalyptic number.

It is an amenable number.

2123331321201 is a deficient number, since it is larger than the sum of its proper divisors (761321258895).

2123331321201 is a wasteful number, since it uses less digits than its factorization.

2123331321201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588072.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 2123331321201 its reverse (1021231333212), we get a palindrome (3144562654413).

The spelling of 2123331321201 in words is "two trillion, one hundred twenty-three billion, three hundred thirty-one million, three hundred twenty-one thousand, two hundred one".