1001120111002 has 128 divisors (see below), whose sum is σ = 1797477350400. Its totient is φ = 413572582080.

The previous prime is 1001120110987. The next prime is 1001120111009. The reversal of 1001120111002 is 2001110211001.

1001120111002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1001120111002.

It is not an unprimeable number, because it can be changed into a prime (1001120111009) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2885072193 + ... + 2885072539.

It is an arithmetic number, because the mean of its divisors is an integer number (14042791800).

Almost surely, 2^{1001120111002} is an apocalyptic number.

1001120111002 is a deficient number, since it is larger than the sum of its proper divisors (796357239398).

1001120111002 is a wasteful number, since it uses less digits than its factorization.

1001120111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749 (or 691 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1001120111002 its reverse (2001110211001), we get a palindrome (3002230322003).

Subtracting 1001120111002 from its reverse (2001110211001), we obtain a palindrome (999990099999).

The spelling of 1001120111002 in words is "one trillion, one billion, one hundred twenty million, one hundred eleven thousand, two".