121131113230 has 16 divisors (see below), whose sum is σ = 218042209440. Its totient is φ = 48451066272.

The previous prime is 121131113209. The next prime is 121131113239. The reversal of 121131113230 is 32311131121.

It is a junction number, because it is equal to n+sod(n) for n = 121131113198 and 121131113207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121131113239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244567 + ... + 549613.

It is an arithmetic number, because the mean of its divisors is an integer number (13627638090).

Almost surely, 2^121131113230 is an apocalyptic number.

121131113230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121131113230 is a deficient number, since it is larger than the sum of its proper divisors (96911096210).

121131113230 is a wasteful number, since it uses less digits than its factorization.

121131113230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344763.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 121131113230 its reverse (32311131121), we get a palindrome (153442244351).

The spelling of 121131113230 in words is "one hundred twenty-one billion, one hundred thirty-one million, one hundred thirteen thousand, two hundred thirty".