121023102203 has 4 divisors (see below), whose sum is σ = 121023798000. Its totient is φ = 121022406408.

The previous prime is 121023102199. The next prime is 121023102229. The reversal of 121023102203 is 302201320121.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 121023102203 - 2² = 121023102199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121023162203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169226 + ... + 520272.

It is an arithmetic number, because the mean of its divisors is an integer number (30255949500).

Almost surely, 2^121023102203 is an apocalyptic number.

121023102203 is a deficient number, since it is larger than the sum of its proper divisors (695797).

121023102203 is an equidigital number, since it uses as much as digits as its factorization.

121023102203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695796.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 121023102203 its reverse (302201320121), we get a palindrome (423224422324).

The spelling of 121023102203 in words is "one hundred twenty-one billion, twenty-three million, one hundred two thousand, two hundred three".