111102210112220 has 12 divisors (see below), whose sum is σ = 233314641235704. Its totient is φ = 44440884044880.

The previous prime is 111102210112219. The next prime is 111102210112273. The reversal of 111102210112220 is 22211012201111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2777555252786 + ... + 2777555252825.

It is an arithmetic number, because the mean of its divisors is an integer number (19442886769642).

Almost surely, 2^{111102210112220} is an apocalyptic number.

111102210112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111102210112220 is an abundant number, since it is smaller than the sum of its proper divisors (122212431123484).

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

111102210112220 is a wasteful number, since it uses less digits than its factorization.

111102210112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555110505620 (or 5555110505618 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111102210112220 its reverse (22211012201111), we get a palindrome (133313222313331).

The spelling of 111102210112220 in words is "one hundred eleven trillion, one hundred two billion, two hundred ten million, one hundred twelve thousand, two hundred twenty".