121430323110 has 16 divisors (see below), whose sum is σ = 291432775536. Its totient is φ = 32381419488.

The previous prime is 121430323087. The next prime is 121430323153. The reversal of 121430323110 is 11323034121.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2023838689 + ... + 2023838748.

It is an arithmetic number, because the mean of its divisors is an integer number (18214548471).

Almost surely, 2^121430323110 is an apocalyptic number.

121430323110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121430323110 is an abundant number, since it is smaller than the sum of its proper divisors (170002452426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121430323110 is a wasteful number, since it uses less digits than its factorization.

121430323110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4047677447.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 121430323110 its reverse (11323034121), we get a palindrome (132753357231).

The spelling of 121430323110 in words is "one hundred twenty-one billion, four hundred thirty million, three hundred twenty-three thousand, one hundred ten".