11000111101020 has 96 divisors (see below), whose sum is σ = 34231659033600. Its totient is φ = 2932583717952.

The previous prime is 11000111100931. The next prime is 11000111101027. The reversal of 11000111101020 is 2010111100011.

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 = 11000111100993 and 11000111101011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000111101027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 669640 + ... + 4737999.

It is an arithmetic number, because the mean of its divisors is an integer number (356579781600).

Almost surely, 2^{11000111101020} is an apocalyptic number.

11000111101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11000111101020 is an abundant number, since it is smaller than the sum of its proper divisors (23231547932580).

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

11000111101020 is a wasteful number, since it uses less digits than its factorization.

11000111101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5411424 (or 5411416 counting only the distinct ones).

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

Adding to 11000111101020 its reverse (2010111100011), we get a palindrome (13010222201031).

The spelling of 11000111101020 in words is "eleven trillion, one hundred eleven million, one hundred one thousand, twenty".