121323011130 has 48 divisors (see below), whose sum is σ = 315459930240. Its totient is φ = 32350741344.

The previous prime is 121323011123. The next prime is 121323011149. The reversal of 121323011130 is 31110323121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1827051 + ... + 1892289.

It is an arithmetic number, because the mean of its divisors is an integer number (6572081880).

Almost surely, 2^121323011130 is an apocalyptic number.

121323011130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121323011130 is an abundant number, since it is smaller than the sum of its proper divisors (194136919110).

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

121323011130 is a wasteful number, since it uses less digits than its factorization.

121323011130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85915 (or 85912 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 121323011130 its reverse (31110323121), we get a palindrome (152433334251).

The spelling of 121323011130 in words is "one hundred twenty-one billion, three hundred twenty-three million, eleven thousand, one hundred thirty".