2121333031201 has 64 divisors (see below), whose sum is σ = 2424107347200. Its totient is φ = 1846212673536.

The previous prime is 2121333031193. The next prime is 2121333031217. The reversal of 2121333031201 is 1021303331212.

It is not a de Polignac number, because 2121333031201 - 2³ = 2121333031193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121333034201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 541568895 + ... + 541572811.

It is an arithmetic number, because the mean of its divisors is an integer number (37876677300).

Almost surely, 2^{2121333031201} is an apocalyptic number.

It is an amenable number.

2121333031201 is a deficient number, since it is larger than the sum of its proper divisors (302774315999).

2121333031201 is a wasteful number, since it uses less digits than its factorization.

2121333031201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4498.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2121333031201 its reverse (1021303331212), we get a palindrome (3142636362413).

The spelling of 2121333031201 in words is "two trillion, one hundred twenty-one billion, three hundred thirty-three million, thirty-one thousand, two hundred one".