33121130010 has 16 divisors (see below), whose sum is σ = 79490712096. Its totient is φ = 8832301328.

The previous prime is 33121129939. The next prime is 33121130023. The reversal of 33121130010 is 1003112133.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 552018804 + ... + 552018863.

It is an arithmetic number, because the mean of its divisors is an integer number (4968169506).

Almost surely, 2^33121130010 is an apocalyptic number.

33121130010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

33121130010 is an abundant number, since it is smaller than the sum of its proper divisors (46369582086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33121130010 is a wasteful number, since it uses less digits than its factorization.

33121130010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104037677.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 33121130010 its reverse (1003112133), we get a palindrome (34124242143).

The spelling of 33121130010 in words is "thirty-three billion, one hundred twenty-one million, one hundred thirty thousand, ten".