11102112020 has 24 divisors (see below), whose sum is σ = 23883081768. Its totient is φ = 4332531200.

The previous prime is 11102112017. The next prime is 11102112083. The reversal of 11102112020 is 2021120111.

It can be written as a sum of positive squares in 4 ways, for example, as 32126224 + 11069985796 = 5668^2 + 105214^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11102111992 and 11102112010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6768761 + ... + 6770400.

It is an arithmetic number, because the mean of its divisors is an integer number (995128407).

Almost surely, 2^11102112020 is an apocalyptic number.

11102112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11102112020 is an abundant number, since it is smaller than the sum of its proper divisors (12780969748).

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

11102112020 is a wasteful number, since it uses less digits than its factorization.

11102112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13539211 (or 13539209 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11102112020 its reverse (2021120111), we get a palindrome (13123232131).

The spelling of 11102112020 in words is "eleven billion, one hundred two million, one hundred twelve thousand, twenty".