1111030020000 has 720 divisors, whose sum is σ = 4236047655840. Its totient is φ = 286022016000.

The previous prime is 1111030019987. The next prime is 1111030020013. The reversal of 1111030020000 is 200301111.

It is an interprime number because it is at equal distance from previous prime (1111030019987) and next prime (1111030020013).

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 140936059 + ... + 140943941.

It is an arithmetic number, because the mean of its divisors is an integer number (5883399522).

Almost surely, 2^{1111030020000} is an apocalyptic number.

1111030020000 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 1111030020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2118023827920).

1111030020000 is an abundant number, since it is smaller than the sum of its proper divisors (3125017635840).

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

1111030020000 is an frugal number, since it uses more digits than its factorization.

1111030020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7957 (or 7922 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 1111030020000 its reverse (200301111), we get a palindrome (1111230321111).

The spelling of 1111030020000 in words is "one trillion, one hundred eleven billion, thirty million, twenty thousand".