111140022020 has 48 divisors (see below), whose sum is σ = 235730476800. Its totient is φ = 44011234176.

The previous prime is 111140022013. The next prime is 111140022043. The reversal of 111140022020 is 20220041111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111140021986 and 111140022004.

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, 9744281 + ... + 9755679.

It is an arithmetic number, because the mean of its divisors is an integer number (4911051600).

Almost surely, 2^111140022020 is an apocalyptic number.

111140022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111140022020 is an abundant number, since it is smaller than the sum of its proper divisors (124590454780).

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

111140022020 is a wasteful number, since it uses less digits than its factorization.

111140022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16244 (or 16242 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 111140022020 its reverse (20220041111), we get a palindrome (131360063131).

The spelling of 111140022020 in words is "one hundred eleven billion, one hundred forty million, twenty-two thousand, twenty".