201332233810021 has 2 divisors, whose sum is σ = 201332233810022. Its totient is φ = 201332233810020.

The previous prime is 201332233810013. The next prime is 201332233810027. The reversal of 201332233810021 is 120018332233102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201330956104996 + 1277705025 = 14189114^2 + 35745^2 .

It is a cyclic number.

It is not a de Polignac number, because 201332233810021 - 2³ = 201332233810013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201332233810027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100666116905010 + 100666116905011.

It is an arithmetic number, because the mean of its divisors is an integer number (100666116905011).

Almost surely, 2^{201332233810021} is an apocalyptic number.

It is an amenable number.

201332233810021 is a deficient number, since it is larger than the sum of its proper divisors (1).

201332233810021 is an equidigital number, since it uses as much as digits as its factorization.

201332233810021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 201332233810021 in words is "two hundred one trillion, three hundred thirty-two billion, two hundred thirty-three million, eight hundred ten thousand, twenty-one".