121000122203 has 12 divisors (see below), whose sum is σ = 125360556360. Its totient is φ = 116786556096.

The previous prime is 121000122167. The next prime is 121000122239. The reversal of 121000122203 is 302221000121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121000122167) and next prime (121000122239).

It is not a de Polignac number, because 121000122203 - 2¹⁴ = 121000105819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121000122293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2515151 + ... + 2562807.

It is an arithmetic number, because the mean of its divisors is an integer number (10446713030).

Almost surely, 2^121000122203 is an apocalyptic number.

121000122203 is a deficient number, since it is larger than the sum of its proper divisors (4360434157).

121000122203 is an equidigital number, since it uses as much as digits as its factorization.

121000122203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50734 (or 50705 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 121000122203 its reverse (302221000121), we get a palindrome (423221122324).

The spelling of 121000122203 in words is "one hundred twenty-one billion, one hundred twenty-two thousand, two hundred three".