11101012120 has 32 divisors (see below), whose sum is σ = 27247939920. Its totient is φ = 4036731520.

The previous prime is 11101012063. The next prime is 11101012129. The reversal of 11101012120 is 2121010111.

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 = 11101012097 and 11101012106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101012129) 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, 12614347 + ... + 12615226.

Almost surely, 2^11101012120 is an apocalyptic number.

11101012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101012120 is an abundant number, since it is smaller than the sum of its proper divisors (16146927800).

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

11101012120 is a wasteful number, since it uses less digits than its factorization.

11101012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25229595 (or 25229591 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11101012120 its reverse (2121010111), we get a palindrome (13222022231).

The spelling of 11101012120 in words is "eleven billion, one hundred one million, twelve thousand, one hundred twenty".