121102040223 has 32 divisors (see below), whose sum is σ = 181936831680. Its totient is φ = 79605227520.

The previous prime is 121102040203. The next prime is 121102040333. The reversal of 121102040223 is 322040201121.

It is a happy number.

It is not a de Polignac number, because 121102040223 - 2⁸ = 121102039967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121102040196 and 121102040205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121102040203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 486013 + ... + 691673.

It is an arithmetic number, because the mean of its divisors is an integer number (5685525990).

Almost surely, 2^121102040223 is an apocalyptic number.

121102040223 is a deficient number, since it is larger than the sum of its proper divisors (60834791457).

121102040223 is a wasteful number, since it uses less digits than its factorization.

121102040223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205976 (or 205970 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 121102040223 its reverse (322040201121), we get a palindrome (443142241344).

The spelling of 121102040223 in words is "one hundred twenty-one billion, one hundred two million, forty thousand, two hundred twenty-three".