11110200001020 has 144 divisors (see below), whose sum is σ = 34806285626112. Its totient is φ = 2865646863360.

The previous prime is 11110200001013. The next prime is 11110200001039. The reversal of 11110200001020 is 2010000201111.

It is a happy number.

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 = 11110200000993 and 11110200001011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10154134 + ... + 11194946.

It is an arithmetic number, because the mean of its divisors is an integer number (241710316848).

Almost surely, 2^{11110200001020} is an apocalyptic number.

11110200001020 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 11110200001020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17403142813056).

11110200001020 is an abundant number, since it is smaller than the sum of its proper divisors (23696085625092).

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

11110200001020 is a wasteful number, since it uses less digits than its factorization.

11110200001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042772 (or 1042767 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11110200001020 its reverse (2010000201111), we get a palindrome (13120200202131).

The spelling of 11110200001020 in words is "eleven trillion, one hundred ten billion, two hundred million, one thousand, twenty".