21122033023033 has 6 divisors (see below), whose sum is σ = 22080310514234. Its totient is φ = 20203683760656.

The previous prime is 21122033023009. The next prime is 21122033023061. The reversal of 21122033023033 is 33032033022112.

It can be written as a sum of positive squares in only one way, i.e., 11704794185529 + 9417238837504 = 3421227^2 + 3068752^2 .

It is not a de Polignac number, because 21122033023033 - 2¹⁷ = 21122032891961 is a prime.

It is a super-2 number, since 2×21122033023033² (a number of 27 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 = 21122033022989 and 21122033023007.

It is not an unprimeable number, because it can be changed into a prime (21122033023093) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19964113860 + ... + 19964114917.

Almost surely, 2^{21122033023033} is an apocalyptic number.

21122033023033 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

21122033023033 is a deficient number, since it is larger than the sum of its proper divisors (958277491201).

21122033023033 is an equidigital number, since it uses as much as digits as its factorization.

21122033023033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39928228823 (or 39928228800 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 21122033023033 its reverse (33032033022112), we get a palindrome (54154066045145).

The spelling of 21122033023033 in words is "twenty-one trillion, one hundred twenty-two billion, thirty-three million, twenty-three thousand, thirty-three".