33121131010 has 16 divisors (see below), whose sum is σ = 65037857472. Its totient is φ = 12044047600.

The previous prime is 33121131007. The next prime is 33121131031. The reversal of 33121131010 is 1013112133.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150550486 + ... + 150550705.

It is an arithmetic number, because the mean of its divisors is an integer number (4064866092).

Almost surely, 2^33121131010 is an apocalyptic number.

33121131010 is a deficient number, since it is larger than the sum of its proper divisors (31916726462).

33121131010 is a wasteful number, since it uses less digits than its factorization.

33121131010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301101209.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 33121131010 its reverse (1013112133), we get a palindrome (34134243143).

The spelling of 33121131010 in words is "thirty-three billion, one hundred twenty-one million, one hundred thirty-one thousand, ten".