11105514121 has 16 divisors (see below), whose sum is σ = 12356467200. Its totient is φ = 9911813760.

The previous prime is 11105514113. The next prime is 11105514137. The reversal of 11105514121 is 12141550111.

It is a cyclic number.

It is not a de Polignac number, because 11105514121 - 2³ = 11105514113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11105514092 and 11105514101.

It is not an unprimeable number, because it can be changed into a prime (11105514151) 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, 469230 + ... + 492328.

It is an arithmetic number, because the mean of its divisors is an integer number (772279200).

Almost surely, 2^11105514121 is an apocalyptic number.

It is an amenable number.

11105514121 is a deficient number, since it is larger than the sum of its proper divisors (1250953079).

11105514121 is a wasteful number, since it uses less digits than its factorization.

11105514121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24336.

The product of its (nonzero) digits is 200, while the sum is 22.

The spelling of 11105514121 in words is "eleven billion, one hundred five million, five hundred fourteen thousand, one hundred twenty-one".