111010111002 has 96 divisors (see below), whose sum is σ = 279201686400. Its totient is φ = 31221932544.

The previous prime is 111010110977. The next prime is 111010111021. The reversal of 111010111002 is 200111010111.

It is a super-2 number, since 2×111010111002² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2523774 + ... + 2567382.

It is an arithmetic number, because the mean of its divisors is an integer number (2908350900).

Almost surely, 2^111010111002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111010111002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139600843200).

111010111002 is an abundant number, since it is smaller than the sum of its proper divisors (168191575398).

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

111010111002 is a wasteful number, since it uses less digits than its factorization.

111010111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43940 (or 43937 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 111010111002 its reverse (200111010111), we get a palindrome (311121121113).

The spelling of 111010111002 in words is "one hundred eleven billion, ten million, one hundred eleven thousand, two".