21231102322233 has 24 divisors (see below), whose sum is σ = 30807528810240. Its totient is φ = 14089288767840.

The previous prime is 21231102322121. The next prime is 21231102322259. The reversal of 21231102322233 is 33222320113212.

21231102322233 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 1 + 102 + 322 + 233 = 666.

It is not a de Polignac number, because 21231102322233 - 2²⁶ = 21231035213369 is a prime.

It is a super-2 number, since 2×21231102322233² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21231102322197 and 21231102322206.

It is not an unprimeable number, because it can be changed into a prime (21231102322733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21372583 + ... + 22343891.

It is an arithmetic number, because the mean of its divisors is an integer number (1283647033760).

Almost surely, 2^{21231102322233} is an apocalyptic number.

It is an amenable number.

21231102322233 is a deficient number, since it is larger than the sum of its proper divisors (9576426488007).

21231102322233 is a wasteful number, since it uses less digits than its factorization.

21231102322233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982429 (or 982426 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 21231102322233 its reverse (33222320113212), we get a palindrome (54453422435445).

The spelling of 21231102322233 in words is "twenty-one trillion, two hundred thirty-one billion, one hundred two million, three hundred twenty-two thousand, two hundred thirty-three".