121321113230 has 16 divisors (see below), whose sum is σ = 227872700064. Its totient is φ = 46418512800.

The previous prime is 121321113187. The next prime is 121321113257. The reversal of 121321113230 is 32311123121.

It is a happy 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, 263741321 + ... + 263741780.

It is an arithmetic number, because the mean of its divisors is an integer number (14242043754).

Almost surely, 2^121321113230 is an apocalyptic number.

121321113230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121321113230 is a deficient number, since it is larger than the sum of its proper divisors (106551586834).

121321113230 is a wasteful number, since it uses less digits than its factorization.

121321113230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527483131.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 121321113230 its reverse (32311123121), we get a palindrome (153632236351).

The spelling of 121321113230 in words is "one hundred twenty-one billion, three hundred twenty-one million, one hundred thirteen thousand, two hundred thirty".