121043331 has 6 divisors (see below), whose sum is σ = 174840380. Its totient is φ = 80695548.

The previous prime is 121043239. The next prime is 121043359. The reversal of 121043331 is 133340121.

It is not a de Polignac number, because 121043331 - 2¹³ = 121035139 is a prime.

It is a super-2 number, since 2×121043331² = 29302975959151122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121043431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6724621 + ... + 6724638.

Almost surely, 2^121043331 is an apocalyptic number.

121043331 is a deficient number, since it is larger than the sum of its proper divisors (53797049).

121043331 is a wasteful number, since it uses less digits than its factorization.

121043331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13449265 (or 13449262 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 121043331 is about 11001.9694146094. The cubic root of 121043331 is about 494.6677783020.

Adding to 121043331 its reverse (133340121), we get a palindrome (254383452).

The spelling of 121043331 in words is "one hundred twenty-one million, forty-three thousand, three hundred thirty-one".