10111020020000 has 120 divisors (see below), whose sum is σ = 24876904542336. Its totient is φ = 4044037536000.

The previous prime is 10111020019981. The next prime is 10111020020063. The reversal of 10111020020000 is 2002011101.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 10111020020000.

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 19 ways as a sum of consecutive naturals, for example, 352445657 + ... + 352474343.

Almost surely, 2^{10111020020000} is an apocalyptic number.

10111020020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10111020020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12438452271168).

10111020020000 is an abundant number, since it is smaller than the sum of its proper divisors (14765884522336).

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

10111020020000 is an equidigital number, since it uses as much as digits as its factorization.

10111020020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46340 (or 46317 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10111020020000 its reverse (2002011101), we get a palindrome (10113022031101).

The spelling of 10111020020000 in words is "ten trillion, one hundred eleven billion, twenty million, twenty thousand".