121112101113 has 16 divisors (see below), whose sum is σ = 165250176960. Its totient is φ = 78857985024.

The previous prime is 121112101093. The next prime is 121112101139. The reversal of 121112101113 is 311101211121.

It is not a de Polignac number, because 121112101113 - 2¹⁰ = 121112100089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121112101092 and 121112101101.

It is not an unprimeable number, because it can be changed into a prime (121112100113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2463945 + ... + 2512617.

It is an arithmetic number, because the mean of its divisors is an integer number (10328136060).

Almost surely, 2^121112101113 is an apocalyptic number.

It is an amenable number.

121112101113 is a deficient number, since it is larger than the sum of its proper divisors (44138075847).

121112101113 is a wasteful number, since it uses less digits than its factorization.

121112101113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68008.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 121112101113 its reverse (311101211121), we get a palindrome (432213312234).

The spelling of 121112101113 in words is "one hundred twenty-one billion, one hundred twelve million, one hundred one thousand, one hundred thirteen".