11120102020 has 24 divisors (see below), whose sum is σ = 23583428568. Its totient is φ = 4404000000.

The previous prime is 11120102011. The next prime is 11120102023. The reversal of 11120102020 is 2020102111.

It can be written as a sum of positive squares in 4 ways, for example, as 2852200836 + 8267901184 = 53406^2 + 90928^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 11120101988 and 11120102006.

It is not an unprimeable number, because it can be changed into a prime (11120102023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2750481 + ... + 2754520.

It is an arithmetic number, because the mean of its divisors is an integer number (982642857).

Almost surely, 2^11120102020 is an apocalyptic number.

11120102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11120102020 is an abundant number, since it is smaller than the sum of its proper divisors (12463326548).

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

11120102020 is a wasteful number, since it uses less digits than its factorization.

11120102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505111 (or 5505109 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11120102020 its reverse (2020102111), we get a palindrome (13140204131).

Subtracting from 11120102020 its reverse (2020102111), we obtain a palindrome (9099999909).

The spelling of 11120102020 in words is "eleven billion, one hundred twenty million, one hundred two thousand, twenty".