111000102220 has 24 divisors (see below), whose sum is σ = 266400245664. Its totient is φ = 38057177856.

The previous prime is 111000102133. The next prime is 111000102251. The reversal of 111000102220 is 22201000111.

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 = 111000102197 and 111000102206.

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, 396428797 + ... + 396429076.

It is an arithmetic number, because the mean of its divisors is an integer number (11100010236).

Almost surely, 2^111000102220 is an apocalyptic number.

111000102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111000102220 is an abundant number, since it is smaller than the sum of its proper divisors (155400143444).

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

111000102220 is a wasteful number, since it uses less digits than its factorization.

111000102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792857889 (or 792857887 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 111000102220 its reverse (22201000111), we get a palindrome (133201102331).

The spelling of 111000102220 in words is "one hundred eleven billion, one hundred two thousand, two hundred twenty".