111010010220 has 96 divisors (see below), whose sum is σ = 345421440000. Its totient is φ = 29597787072.

The previous prime is 111010010219. The next prime is 111010010257. The reversal of 111010010220 is 22010010111.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4256781 + ... + 4282779.

It is an arithmetic number, because the mean of its divisors is an integer number (3598140000).

Almost surely, 2^111010010220 is an apocalyptic number.

111010010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111010010220 is an abundant number, since it is smaller than the sum of its proper divisors (234411429780).

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

111010010220 is a wasteful number, since it uses less digits than its factorization.

111010010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33924 (or 33916 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 111010010220 its reverse (22010010111), we get a palindrome (133020020331).

The spelling of 111010010220 in words is "one hundred eleven billion, ten million, ten thousand, two hundred twenty".