11102120112020 has 96 divisors (see below), whose sum is σ = 26715076093440. Its totient is φ = 3796447495680.

The previous prime is 11102120112001. The next prime is 11102120112119. The reversal of 11102120112020 is 2021102120111.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 11102120111986 and 11102120112004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 259137761 + ... + 259180599.

It is an arithmetic number, because the mean of its divisors is an integer number (278282042640).

Almost surely, 2^{11102120112020} is an apocalyptic number.

11102120112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11102120112020 is an abundant number, since it is smaller than the sum of its proper divisors (15612955981420).

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

11102120112020 is a wasteful number, since it uses less digits than its factorization.

11102120112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47673 (or 47671 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11102120112020 its reverse (2021102120111), we get a palindrome (13123222232131).

The spelling of 11102120112020 in words is "eleven trillion, one hundred two billion, one hundred twenty million, one hundred twelve thousand, twenty".