21223233020333 has 2 divisors, whose sum is σ = 21223233020334. Its totient is φ = 21223233020332.

The previous prime is 21223233020299. The next prime is 21223233020357. The reversal of 21223233020333 is 33302033232212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15715373204644 + 5507859815689 = 3964262^2 + 2346883^2 .

It is a cyclic number.

It is not a de Polignac number, because 21223233020333 - 2¹⁴ = 21223233003949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21223233020296 and 21223233020305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21223233020393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10611616510166 + 10611616510167.

It is an arithmetic number, because the mean of its divisors is an integer number (10611616510167).

Almost surely, 2^{21223233020333} is an apocalyptic number.

It is an amenable number.

21223233020333 is a deficient number, since it is larger than the sum of its proper divisors (1).

21223233020333 is an equidigital number, since it uses as much as digits as its factorization.

21223233020333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 29.

Adding to 21223233020333 its reverse (33302033232212), we get a palindrome (54525266252545).

The spelling of 21223233020333 in words is "twenty-one trillion, two hundred twenty-three billion, two hundred thirty-three million, twenty thousand, three hundred thirty-three".