11111019200020 has 48 divisors (see below), whose sum is σ = 23548414760640. Its totient is φ = 4403432388096.

The previous prime is 11111019200011. The next prime is 11111019200023. The reversal of 11111019200020 is 2000291011111.

11111019200020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111019200023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5147371 + ... + 6979789.

It is an arithmetic number, because the mean of its divisors is an integer number (490591974180).

Almost surely, 2^{11111019200020} is an apocalyptic number.

11111019200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11111019200020 is an abundant number, since it is smaller than the sum of its proper divisors (12437395560620).

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

11111019200020 is a wasteful number, since it uses less digits than its factorization.

11111019200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835224 (or 1835222 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 11111019200020 in words is "eleven trillion, one hundred eleven billion, nineteen million, two hundred thousand, twenty".