11101010011020 has 72 divisors (see below), whose sum is σ = 33801098306976. Its totient is φ = 2949013546752.

The previous prime is 11101010011001. The next prime is 11101010011031. The reversal of 11101010011020 is 2011001010111.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11101010010993 and 11101010011011.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117200337 + ... + 117295016.

It is an arithmetic number, because the mean of its divisors is an integer number (469459698708).

Almost surely, 2^{11101010011020} is an apocalyptic number.

11101010011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101010011020 is an abundant number, since it is smaller than the sum of its proper divisors (22700088295956).

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

11101010011020 is a wasteful number, since it uses less digits than its factorization.

11101010011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234495631 (or 234495626 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 11101010011020 its reverse (2011001010111), we get a palindrome (13112011021131).

Subtracting from 11101010011020 its reverse (2011001010111), we obtain a palindrome (9090009000909).

The spelling of 11101010011020 in words is "eleven trillion, one hundred one billion, ten million, eleven thousand, twenty".