21114174233 has 8 divisors (see below), whose sum is σ = 22369056840. Its totient is φ = 19860721920.

The previous prime is 21114174223. The next prime is 21114174239. The reversal of 21114174233 is 33247141112.

It can be written as a sum of positive squares in 4 ways, for example, as 300918409 + 20813255824 = 17347^2 + 144268^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21114174233 - 2²² = 21109979929 is a prime.

It is a super-2 number, since 2×21114174233² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21114174196 and 21114174205.

It is not an unprimeable number, because it can be changed into a prime (21114174239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327098 + ... + 386291.

It is an arithmetic number, because the mean of its divisors is an integer number (2796132105).

Almost surely, 2^21114174233 is an apocalyptic number.

It is an amenable number.

21114174233 is a deficient number, since it is larger than the sum of its proper divisors (1254882607).

21114174233 is a wasteful number, since it uses less digits than its factorization.

21114174233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715147.

The product of its digits is 4032, while the sum is 29.

The spelling of 21114174233 in words is "twenty-one billion, one hundred fourteen million, one hundred seventy-four thousand, two hundred thirty-three".