3133021222081 has 2 divisors, whose sum is σ = 3133021222082. Its totient is φ = 3133021222080.

The previous prime is 3133021222073. The next prime is 3133021222231. The reversal of 3133021222081 is 1802221203313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2123769923856 + 1009251298225 = 1457316^2 + 1004615^2 .

It is a cyclic number.

It is not a de Polignac number, because 3133021222081 - 2³ = 3133021222073 is a prime.

It is a super-4 number, since 4×3133021222081⁴ (a number of 51 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (3133021222021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1566510611040 + 1566510611041.

It is an arithmetic number, because the mean of its divisors is an integer number (1566510611041).

Almost surely, 2^{3133021222081} is an apocalyptic number.

It is an amenable number.

3133021222081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3133021222081 is an equidigital number, since it uses as much as digits as its factorization.

3133021222081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 3133021222081 its reverse (1802221203313), we get a palindrome (4935242425394).

The spelling of 3133021222081 in words is "three trillion, one hundred thirty-three billion, twenty-one million, two hundred twenty-two thousand, eighty-one".