111112011102020 has 192 divisors, whose sum is σ = 253514180215296. Its totient is φ = 40755124961280.

The previous prime is 111112011101983. The next prime is 111112011102047. The reversal of 111112011102020 is 20201110211111.

It is a super-2 number, since 2×111112011102020² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111112011101986 and 111112011102004.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 700425752 + ... + 700584368.

It is an arithmetic number, because the mean of its divisors is an integer number (1320386355288).

Almost surely, 2^{111112011102020} is an apocalyptic number.

111112011102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111112011102020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126757090107648).

111112011102020 is an abundant number, since it is smaller than the sum of its proper divisors (142402169113276).

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

111112011102020 is a wasteful number, since it uses less digits than its factorization.

111112011102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159070 (or 159068 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111112011102020 its reverse (20201110211111), we get a palindrome (131313121313131).

The spelling of 111112011102020 in words is "one hundred eleven trillion, one hundred twelve billion, eleven million, one hundred two thousand, twenty".