11116346121 has 40 divisors (see below), whose sum is σ = 17625595680. Its totient is φ = 6957954432.

The previous prime is 11116346099. The next prime is 11116346159. The reversal of 11116346121 is 12164361111.

11116346121 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 634 + 6 + 1 + 21 = 666.

It is not a de Polignac number, because 11116346121 - 2¹⁹ = 11115821833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11116346921) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 567330 + ... + 586596.

It is an arithmetic number, because the mean of its divisors is an integer number (440639892).

Almost surely, 2^11116346121 is an apocalyptic number.

It is an amenable number.

11116346121 is a deficient number, since it is larger than the sum of its proper divisors (6509249559).

11116346121 is a wasteful number, since it uses less digits than its factorization.

11116346121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19715 (or 19706 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The spelling of 11116346121 in words is "eleven billion, one hundred sixteen million, three hundred forty-six thousand, one hundred twenty-one".