121202233 has 4 divisors (see below), whose sum is σ = 121232628. Its totient is φ = 121171840.

The previous prime is 121202209. The next prime is 121202239. The reversal of 121202233 is 332202121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 332202121 = 137 ⋅2424833.

It can be written as a sum of positive squares in 2 ways, for example, as 85525504 + 35676729 = 9248^2 + 5973^2 .

It is a cyclic number.

It is not a de Polignac number, because 121202233 - 2⁵ = 121202201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121202239) 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, 8116 + ... + 17557.

It is an arithmetic number, because the mean of its divisors is an integer number (30308157).

Almost surely, 2^121202233 is an apocalyptic number.

It is an amenable number.

121202233 is a deficient number, since it is larger than the sum of its proper divisors (30395).

121202233 is an equidigital number, since it uses as much as digits as its factorization.

121202233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30394.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 121202233 is about 11009.1885713707. The cubic root of 121202233 is about 494.8841452497.

Adding to 121202233 its reverse (332202121), we get a palindrome (453404354).

The spelling of 121202233 in words is "one hundred twenty-one million, two hundred two thousand, two hundred thirty-three".