1001111010000 has 100 divisors (see below), whose sum is σ = 3231719918592. Its totient is φ = 266962928000.

The previous prime is 1001111009981. The next prime is 1001111010013. The reversal of 1001111010000 is 101111001.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16655184 + ... + 16715183.

Almost surely, 2^{1001111010000} is an apocalyptic number.

1001111010000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001111010000 is an abundant number, since it is smaller than the sum of its proper divisors (2230608908592).

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

1001111010000 is an equidigital number, since it uses as much as digits as its factorization.

1001111010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33370398 (or 33370377 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 6.

Adding to 1001111010000 its reverse (101111001), we get a palindrome (1001212121001).

It can be divided in two parts, 100111 and 1010000, that added together give a palindrome (1110111).

The spelling of 1001111010000 in words is "one trillion, one billion, one hundred eleven million, ten thousand".