133311332030021 has 2 divisors, whose sum is σ = 133311332030022. Its totient is φ = 133311332030020.

The previous prime is 133311332029973. The next prime is 133311332030087. The reversal of 133311332030021 is 120030233113331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117879877562500 + 15431454467521 = 10857250^2 + 3928289^2 .

It is a cyclic number.

It is not a de Polignac number, because 133311332030021 - 2²² = 133311327835717 is a prime.

It is a super-2 number, since 2×133311332030021² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133311332030321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66655666015010 + 66655666015011.

It is an arithmetic number, because the mean of its divisors is an integer number (66655666015011).

Almost surely, 2^{133311332030021} is an apocalyptic number.

It is an amenable number.

133311332030021 is a deficient number, since it is larger than the sum of its proper divisors (1).

133311332030021 is an equidigital number, since it uses as much as digits as its factorization.

133311332030021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 133311332030021 its reverse (120030233113331), we get a palindrome (253341565143352).

The spelling of 133311332030021 in words is "one hundred thirty-three trillion, three hundred eleven billion, three hundred thirty-two million, thirty thousand, twenty-one".