33121099 has 4 divisors (see below), whose sum is σ = 36132120. Its totient is φ = 30110080.

The previous prime is 33121097. The next prime is 33121129. The reversal of 33121099 is 99012133.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 33121099 - 2¹ = 33121097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33121093) 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, 1505494 + ... + 1505515.

It is an arithmetic number, because the mean of its divisors is an integer number (9033030).

Almost surely, 2^33121099 is an apocalyptic number.

33121099 is a deficient number, since it is larger than the sum of its proper divisors (3011021).

33121099 is a wasteful number, since it uses less digits than its factorization.

33121099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3011020.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 33121099 is about 5755.0933094086. The cubic root of 33121099 is about 321.1453067682.

The spelling of 33121099 in words is "thirty-three million, one hundred twenty-one thousand, ninety-nine".