111100221110 has 16 divisors (see below), whose sum is σ = 199985522400. Its totient is φ = 44438949696.

The previous prime is 111100221109. The next prime is 111100221179. The reversal of 111100221110 is 11122001111.

It is a junction number, because it is equal to n+sod(n) for n = 111100221091 and 111100221100.

It is a congruent number.

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, 347786 + ... + 585794.

It is an arithmetic number, because the mean of its divisors is an integer number (12499095150).

Almost surely, 2^111100221110 is an apocalyptic number.

111100221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111100221110 is a deficient number, since it is larger than the sum of its proper divisors (88885301290).

111100221110 is a wasteful number, since it uses less digits than its factorization.

111100221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284695.

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

Adding to 111100221110 its reverse (11122001111), we get a palindrome (122222222221).

The spelling of 111100221110 in words is "one hundred eleven billion, one hundred million, two hundred twenty-one thousand, one hundred ten".