133322020010021 has 2 divisors, whose sum is σ = 133322020010022. Its totient is φ = 133322020010020.

The previous prime is 133322020009961. The next prime is 133322020010063. The reversal of 133322020010021 is 120010020223331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101907228097921 + 31414791912100 = 10094911^2 + 5604890^2 .

It is a cyclic number.

It is not a de Polignac number, because 133322020010021 - 2²⁶ = 133321952901157 is a prime.

It is a super-2 number, since 2×133322020010021² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133322020009975 and 133322020010002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133322020010821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66661010005010 + 66661010005011.

It is an arithmetic number, because the mean of its divisors is an integer number (66661010005011).

Almost surely, 2^{133322020010021} is an apocalyptic number.

It is an amenable number.

133322020010021 is a deficient number, since it is larger than the sum of its proper divisors (1).

133322020010021 is an equidigital number, since it uses as much as digits as its factorization.

133322020010021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 133322020010021 its reverse (120010020223331), we get a palindrome (253332040233352).

The spelling of 133322020010021 in words is "one hundred thirty-three trillion, three hundred twenty-two billion, twenty million, ten thousand, twenty-one".