133330120881 has 4 divisors (see below), whose sum is σ = 177773494512. Its totient is φ = 88886747252.

The previous prime is 133330120873. The next prime is 133330120919. The reversal of 133330120881 is 188021033331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 188021033331 = 3 ⋅62673677777.

It is a cyclic number.

It is not a de Polignac number, because 133330120881 - 2³ = 133330120873 is a prime.

It is a super-2 number, since 2×133330120881² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133330120831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22221686811 + ... + 22221686816.

It is an arithmetic number, because the mean of its divisors is an integer number (44443373628).

Almost surely, 2^133330120881 is an apocalyptic number.

It is an amenable number.

133330120881 is a deficient number, since it is larger than the sum of its proper divisors (44443373631).

133330120881 is an equidigital number, since it uses as much as digits as its factorization.

133330120881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44443373630.

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 133330120881 in words is "one hundred thirty-three billion, three hundred thirty million, one hundred twenty thousand, eight hundred eighty-one".