21331201122033 has 32 divisors (see below), whose sum is σ = 31472901568512. Its totient is φ = 12742393036800.

The previous prime is 21331201122017. The next prime is 21331201122079. The reversal of 21331201122033 is 33022110213312.

It is not a de Polignac number, because 21331201122033 - 2⁴ = 21331201122017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21331201121994 and 21331201122012.

It is not an unprimeable number, because it can be changed into a prime (21331201129033) 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, 7232241 + ... + 9745137.

It is an arithmetic number, because the mean of its divisors is an integer number (983528174016).

Almost surely, 2^{21331201122033} is an apocalyptic number.

It is an amenable number.

21331201122033 is a deficient number, since it is larger than the sum of its proper divisors (10141700446479).

21331201122033 is a wasteful number, since it uses less digits than its factorization.

21331201122033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516605.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 21331201122033 its reverse (33022110213312), we get a palindrome (54353311335345).

The spelling of 21331201122033 in words is "twenty-one trillion, three hundred thirty-one billion, two hundred one million, one hundred twenty-two thousand, thirty-three".