33121113010 has 16 divisors (see below), whose sum is σ = 59624467416. Its totient is φ = 13247008768.

The previous prime is 33121113007. The next prime is 33121113019. The reversal of 33121113010 is 1031112133.

It can be written as a sum of positive squares in 4 ways, for example, as 32754122361 + 366990649 = 180981^2 + 19157^2 .

It is not an unprimeable number, because it can be changed into a prime (33121113019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80089 + ... + 269548.

Almost surely, 2^33121113010 is an apocalyptic number.

33121113010 is a deficient number, since it is larger than the sum of its proper divisors (26503354406).

33121113010 is a wasteful number, since it uses less digits than its factorization.

33121113010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359117.

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

Adding to 33121113010 its reverse (1031112133), we get a palindrome (34152225143).

The spelling of 33121113010 in words is "thirty-three billion, one hundred twenty-one million, one hundred thirteen thousand, ten".