11101010120 has 32 divisors (see below), whose sum is σ = 24980599800. Its totient is φ = 4439812608.

The previous prime is 11101010101. The next prime is 11101010159. The reversal of 11101010120 is 2101010111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8822093476 + 2278916644 = 93926^2 + 47738^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 11101010098 and 11101010107.

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, 405836 + ... + 432324.

Almost surely, 2^11101010120 is an apocalyptic number.

11101010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101010120 is an abundant number, since it is smaller than the sum of its proper divisors (13879589680).

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

11101010120 is a wasteful number, since it uses less digits than its factorization.

11101010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36977 (or 36973 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 11101010120 its reverse (2101010111), we get a palindrome (13202020231).

Subtracting from 11101010120 its reverse (2101010111), we obtain a palindrome (9000000009).

The spelling of 11101010120 in words is "eleven billion, one hundred one million, ten thousand, one hundred twenty".