21331322010033 has 32 divisors (see below), whose sum is σ = 34417266073344. Its totient is φ = 11472193247232.

The previous prime is 21331322010001. The next prime is 21331322010049. The reversal of 21331322010033 is 33001022313312.

It is not a de Polignac number, because 21331322010033 - 2⁵ = 21331322010001 is a prime.

It is a super-2 number, since 2×21331322010033² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21331322009985 and 21331322010012.

It is not an unprimeable number, because it can be changed into a prime (21331322010073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45332341 + ... + 45800477.

It is an arithmetic number, because the mean of its divisors is an integer number (1075539564792).

Almost surely, 2^{21331322010033} is an apocalyptic number.

It is an amenable number.

21331322010033 is a deficient number, since it is larger than the sum of its proper divisors (13085944063311).

21331322010033 is a wasteful number, since it uses less digits than its factorization.

21331322010033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595801.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 21331322010033 its reverse (33001022313312), we get a palindrome (54332344323345).

The spelling of 21331322010033 in words is "twenty-one trillion, three hundred thirty-one billion, three hundred twenty-two million, ten thousand, thirty-three".