121320031130 has 16 divisors (see below), whose sum is σ = 218763945504. Its totient is φ = 48441814800.

The previous prime is 121320031039. The next prime is 121320031141. The reversal of 121320031130 is 31130023121.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121320031099 and 121320031108.

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, 10768796 + ... + 10780055.

It is an arithmetic number, because the mean of its divisors is an integer number (13672746594).

Almost surely, 2^121320031130 is an apocalyptic number.

121320031130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121320031130 is a deficient number, since it is larger than the sum of its proper divisors (97443914374).

121320031130 is a wasteful number, since it uses less digits than its factorization.

121320031130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21549421.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 121320031130 its reverse (31130023121), we get a palindrome (152450054251).

The spelling of 121320031130 in words is "one hundred twenty-one billion, three hundred twenty million, thirty-one thousand, one hundred thirty".