121120233 has 16 divisors (see below), whose sum is σ = 174155520. Its totient is φ = 74433024.

The previous prime is 121120229. The next prime is 121120253. The reversal of 121120233 is 332021121.

It is not a de Polignac number, because 121120233 - 2² = 121120229 is a prime.

It is a super-2 number, since 2×121120233² = 29340221683948578, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121120253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34560 + ... + 37902.

It is an arithmetic number, because the mean of its divisors is an integer number (10884720).

Almost surely, 2^121120233 is an apocalyptic number.

121120233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121120233 is a deficient number, since it is larger than the sum of its proper divisors (53035287).

121120233 is a wasteful number, since it uses less digits than its factorization.

121120233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4288.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 121120233 is about 11005.4637794143. The cubic root of 121120233 is about 494.7725145918.

Adding to 121120233 its reverse (332021121), we get a palindrome (453141354).

The spelling of 121120233 in words is "one hundred twenty-one million, one hundred twenty thousand, two hundred thirty-three".