1002120111003 has 16 divisors (see below), whose sum is σ = 1534346582400. Its totient is φ = 575379967680.

The previous prime is 1002120110989. The next prime is 1002120111043. The reversal of 1002120111003 is 3001110212001.

1002120111003 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1002120111003 - 2³⁶ = 933400634267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1002120111003.

It is not an unprimeable number, because it can be changed into a prime (1002120111043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 799138218 + ... + 799139471.

It is an arithmetic number, because the mean of its divisors is an integer number (95896661400).

Almost surely, 2^{1002120111003} is an apocalyptic number.

1002120111003 is a deficient number, since it is larger than the sum of its proper divisors (532226471397).

1002120111003 is a wasteful number, since it uses less digits than its factorization.

1002120111003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598277722.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 1002120111003 its reverse (3001110212001), we get a palindrome (4003230323004).

The spelling of 1002120111003 in words is "one trillion, two billion, one hundred twenty million, one hundred eleven thousand, three".