21410271233 has 16 divisors (see below), whose sum is σ = 23662818816. Its totient is φ = 19250533440.

The previous prime is 21410271221. The next prime is 21410271247. The reversal of 21410271233 is 33217201412.

It is a cyclic number.

It is not a de Polignac number, because 21410271233 - 2²⁶ = 21343162369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21410271283) 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, 49385 + ... + 212742.

It is an arithmetic number, because the mean of its divisors is an integer number (1478926176).

Almost surely, 2^21410271233 is an apocalyptic number.

It is an amenable number.

21410271233 is a deficient number, since it is larger than the sum of its proper divisors (2252547583).

21410271233 is a wasteful number, since it uses less digits than its factorization.

21410271233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262304.

The product of its (nonzero) digits is 2016, while the sum is 26.

Adding to 21410271233 its reverse (33217201412), we get a palindrome (54627472645).

The spelling of 21410271233 in words is "twenty-one billion, four hundred ten million, two hundred seventy-one thousand, two hundred thirty-three".