111002230020 has 48 divisors (see below), whose sum is σ = 339061359168. Its totient is φ = 26909631360.

The previous prime is 111002229937. The next prime is 111002230021. The reversal of 111002230020 is 20032200111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 111002229978 and 111002230005.

It is not an unprimeable number, because it can be changed into a prime (111002230021) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 84091939 + ... + 84093258.

It is an arithmetic number, because the mean of its divisors is an integer number (7063778316).

Almost surely, 2^111002230020 is an apocalyptic number.

111002230020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111002230020 is an abundant number, since it is smaller than the sum of its proper divisors (228059129148).

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

111002230020 is a wasteful number, since it uses less digits than its factorization.

111002230020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168185220 (or 168185218 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 111002230020 its reverse (20032200111), we get a palindrome (131034430131).

The spelling of 111002230020 in words is "one hundred eleven billion, two million, two hundred thirty thousand, twenty".