111020022120 has 128 divisors (see below), whose sum is σ = 380728627200. Its totient is φ = 25370102016.

The previous prime is 111020022107. The next prime is 111020022149. The reversal of 111020022120 is 21220020111.

It is a super-3 number, since 3×111020022120³ (a number of 34 digits) contains 333 as substring.

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 = 111020022096 and 111020022105.

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, 4327491 + ... + 4353069.

It is an arithmetic number, because the mean of its divisors is an integer number (2974442400).

Almost surely, 2^111020022120 is an apocalyptic number.

111020022120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111020022120 is an abundant number, since it is smaller than the sum of its proper divisors (269708605080).

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

111020022120 is a wasteful number, since it uses less digits than its factorization.

111020022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30767 (or 30763 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 111020022120 its reverse (21220020111), we get a palindrome (132240042231).

The spelling of 111020022120 in words is "one hundred eleven billion, twenty million, twenty-two thousand, one hundred twenty".