11120012111 has 8 divisors (see below), whose sum is σ = 12041562624. Its totient is φ = 10207913760.

The previous prime is 11120012053. The next prime is 11120012179. The reversal of 11120012111 is 11121002111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11120012111 - 2²² = 11115817807 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11120012092 and 11120012101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120012711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2360591 + ... + 2365296.

It is an arithmetic number, because the mean of its divisors is an integer number (1505195328).

Almost surely, 2^11120012111 is an apocalyptic number.

11120012111 is a deficient number, since it is larger than the sum of its proper divisors (921550513).

11120012111 is a wasteful number, since it uses less digits than its factorization.

11120012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4726081.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11120012111 its reverse (11121002111), we get a palindrome (22241014222).

The spelling of 11120012111 in words is "eleven billion, one hundred twenty million, twelve thousand, one hundred eleven".