121113031112 has 16 divisors (see below), whose sum is σ = 227103862860. Its totient is φ = 60552001024.

The previous prime is 121113031087. The next prime is 121113031181. The reversal of 121113031112 is 211130311121.

It can be written as a sum of positive squares in 2 ways, for example, as 112470353956 + 8642677156 = 335366^2 + 92966^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448913 + ... + 666144.

Almost surely, 2^121113031112 is an apocalyptic number.

It is an amenable number.

121113031112 is a deficient number, since it is larger than the sum of its proper divisors (105990831748).

121113031112 is a wasteful number, since it uses less digits than its factorization.

121113031112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128640 (or 1128636 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 121113031112 its reverse (211130311121), we get a palindrome (332243342233).

The spelling of 121113031112 in words is "one hundred twenty-one billion, one hundred thirteen million, thirty-one thousand, one hundred twelve".