111101011120 has 40 divisors (see below), whose sum is σ = 281792566800. Its totient is φ = 40400367360.

The previous prime is 111101011067. The next prime is 111101011159. The reversal of 111101011120 is 21110101111.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 111101011097 and 111101011106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63124695 + ... + 63126454.

It is an arithmetic number, because the mean of its divisors is an integer number (7044814170).

Almost surely, 2^111101011120 is an apocalyptic number.

111101011120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111101011120 is an abundant number, since it is smaller than the sum of its proper divisors (170691555680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111101011120 is a wasteful number, since it uses less digits than its factorization.

111101011120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126251173 (or 126251167 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 111101011120 its reverse (21110101111), we get a palindrome (132211112231).

The spelling of 111101011120 in words is "one hundred eleven billion, one hundred one million, eleven thousand, one hundred twenty".