111111200102220 has 48 divisors (see below), whose sum is σ = 321839338232160. Its totient is φ = 28607941175296.

The previous prime is 111111200102197. The next prime is 111111200102263. The reversal of 111111200102220 is 22201002111111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 111111200102220.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31928504037 + ... + 31928507516.

It is an arithmetic number, because the mean of its divisors is an integer number (6704986213170).

Almost surely, 2^{111111200102220} is an apocalyptic number.

111111200102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111111200102220 is an abundant number, since it is smaller than the sum of its proper divisors (210728138129940).

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

111111200102220 is a wasteful number, since it uses less digits than its factorization.

111111200102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63857011594 (or 63857011592 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111111200102220 its reverse (22201002111111), we get a palindrome (133312202213331).

The spelling of 111111200102220 in words is "one hundred eleven trillion, one hundred eleven billion, two hundred million, one hundred two thousand, two hundred twenty".