121112203 has 2 divisors, whose sum is σ = 121112204. Its totient is φ = 121112202.

The previous prime is 121112197. The next prime is 121112263. The reversal of 121112203 is 302211121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121112203 - 2⁵ = 121112171 is a prime.

It is not a weakly prime, because it can be changed into another prime (121112263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60556101 + 60556102.

It is an arithmetic number, because the mean of its divisors is an integer number (60556102).

Almost surely, 2^121112203 is an apocalyptic number.

121112203 is a deficient number, since it is larger than the sum of its proper divisors (1).

121112203 is an equidigital number, since it uses as much as digits as its factorization.

121112203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 121112203 is about 11005.0989545756. The cubic root of 121112203 is about 494.7615802472.

Adding to 121112203 its reverse (302211121), we get a palindrome (423323324).

The spelling of 121112203 in words is "one hundred twenty-one million, one hundred twelve thousand, two hundred three".