11110001020 has 12 divisors (see below), whose sum is σ = 23331002184. Its totient is φ = 4444000400.

The previous prime is 11110001017. The next prime is 11110001057. The reversal of 11110001020 is 2010001111.

11110001020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11110000994 and 11110001012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277750006 + ... + 277750045.

It is an arithmetic number, because the mean of its divisors is an integer number (1944250182).

Almost surely, 2^11110001020 is an apocalyptic number.

11110001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11110001020 is an abundant number, since it is smaller than the sum of its proper divisors (12221001164).

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

11110001020 is a wasteful number, since it uses less digits than its factorization.

11110001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555500060 (or 555500058 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 11110001020 its reverse (2010001111), we get a palindrome (13120002131).

Subtracting from 11110001020 its reverse (2010001111), we obtain a palindrome (9099999909).

The spelling of 11110001020 in words is "eleven billion, one hundred ten million, one thousand, twenty".