33105250121 has 16 divisors (see below), whose sum is σ = 35155564800. Its totient is φ = 31126612608.

The previous prime is 33105250097. The next prime is 33105250151. The reversal of 33105250121 is 12105250133.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 33105250121 - 2³⁰ = 32031508297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33105250151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68270 + ... + 266216.

It is an arithmetic number, because the mean of its divisors is an integer number (2197222800).

Almost surely, 2^33105250121 is an apocalyptic number.

It is an amenable number.

33105250121 is a deficient number, since it is larger than the sum of its proper divisors (2050314679).

33105250121 is a wasteful number, since it uses less digits than its factorization.

33105250121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198128.

The product of its (nonzero) digits is 900, while the sum is 23.

The spelling of 33105250121 in words is "thirty-three billion, one hundred five million, two hundred fifty thousand, one hundred twenty-one".