121010231203 has 4 divisors (see below), whose sum is σ = 127379190760. Its totient is φ = 114641271648.

The previous prime is 121010231179. The next prime is 121010231207. The reversal of 121010231203 is 302132010121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121010231203 - 2⁵ = 121010231171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121010231207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3184479750 + ... + 3184479787.

It is an arithmetic number, because the mean of its divisors is an integer number (31844797690).

Almost surely, 2^121010231203 is an apocalyptic number.

121010231203 is a deficient number, since it is larger than the sum of its proper divisors (6368959557).

121010231203 is an equidigital number, since it uses as much as digits as its factorization.

121010231203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6368959556.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121010231203 its reverse (302132010121), we get a palindrome (423142241324).

The spelling of 121010231203 in words is "one hundred twenty-one billion, ten million, two hundred thirty-one thousand, two hundred three".