121322203 has 4 divisors (see below), whose sum is σ = 121345128. Its totient is φ = 121299280.

The previous prime is 121322197. The next prime is 121322209. The reversal of 121322203 is 302223121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302223121 = 181 ⋅1669741.

It is an interprime number because it is at equal distance from previous prime (121322197) and next prime (121322209).

It is a cyclic number.

It is not a de Polignac number, because 121322203 - 2⁹ = 121321691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121322209) 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, 975 + ... + 15607.

It is an arithmetic number, because the mean of its divisors is an integer number (30336282).

Almost surely, 2^121322203 is an apocalyptic number.

121322203 is a deficient number, since it is larger than the sum of its proper divisors (22925).

121322203 is an equidigital number, since it uses as much as digits as its factorization.

121322203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22924.

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

The square root of 121322203 is about 11014.6358541715. The cubic root of 121322203 is about 495.0473756649.

Adding to 121322203 its reverse (302223121), we get a palindrome (423545324).

The spelling of 121322203 in words is "one hundred twenty-one million, three hundred twenty-two thousand, two hundred three".