33130233121 has 2 divisors, whose sum is σ = 33130233122. Its totient is φ = 33130233120.

The previous prime is 33130233113. The next prime is 33130233161. The reversal of 33130233121 is 12133203133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24348481600 + 8781751521 = 156040^2 + 93711^2 .

It is a cyclic number.

It is not a de Polignac number, because 33130233121 - 2³ = 33130233113 is a prime.

It is a super-2 number, since 2×33130233121² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33130233092 and 33130233101.

It is not a weakly prime, because it can be changed into another prime (33130233161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16565116560 + 16565116561.

It is an arithmetic number, because the mean of its divisors is an integer number (16565116561).

Almost surely, 2^33130233121 is an apocalyptic number.

It is an amenable number.

33130233121 is a deficient number, since it is larger than the sum of its proper divisors (1).

33130233121 is an equidigital number, since it uses as much as digits as its factorization.

33130233121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 33130233121 its reverse (12133203133), we get a palindrome (45263436254).

The spelling of 33130233121 in words is "thirty-three billion, one hundred thirty million, two hundred thirty-three thousand, one hundred twenty-one".