21310130001233 has 16 divisors (see below), whose sum is σ = 21492814565376. Its totient is φ = 21128258746560.

The previous prime is 21310130001179. The next prime is 21310130001253. The reversal of 21310130001233 is 33210003101312.

It is a cyclic number.

It is not a de Polignac number, because 21310130001233 - 2⁶ = 21310130001169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21310130001253) 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, 112683191 + ... + 112872147.

It is an arithmetic number, because the mean of its divisors is an integer number (1343300910336).

Almost surely, 2^{21310130001233} is an apocalyptic number.

It is an amenable number.

21310130001233 is a deficient number, since it is larger than the sum of its proper divisors (182684564143).

21310130001233 is a wasteful number, since it uses less digits than its factorization.

21310130001233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191104.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 21310130001233 its reverse (33210003101312), we get a palindrome (54520133102545).

The spelling of 21310130001233 in words is "twenty-one trillion, three hundred ten billion, one hundred thirty million, one thousand, two hundred thirty-three".