233022001021 has 2 divisors, whose sum is σ = 233022001022. Its totient is φ = 233022001020.

The previous prime is 233022001013. The next prime is 233022001141. The reversal of 233022001021 is 120100220332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214637624100 + 18384376921 = 463290^2 + 135589^2 .

It is a cyclic number.

It is not a de Polignac number, because 233022001021 - 2³ = 233022001013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 233022000986 and 233022001004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233022001721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116511000510 + 116511000511.

It is an arithmetic number, because the mean of its divisors is an integer number (116511000511).

Almost surely, 2^233022001021 is an apocalyptic number.

It is an amenable number.

233022001021 is a deficient number, since it is larger than the sum of its proper divisors (1).

233022001021 is an equidigital number, since it uses as much as digits as its factorization.

233022001021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 233022001021 its reverse (120100220332), we get a palindrome (353122221353).

The spelling of 233022001021 in words is "two hundred thirty-three billion, twenty-two million, one thousand, twenty-one".