1002011120111 has 4 divisors (see below), whose sum is σ = 1002176665752. Its totient is φ = 1001845574472.

The previous prime is 1002011120093. The next prime is 1002011120147. The reversal of 1002011120111 is 1110211102001.

1002011120111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1002011120111 - 2²⁶ = 1001944011247 is a prime.

It is a super-2 number, since 2×1002011120111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002011120092 and 1002011120101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002011120161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82763741 + ... + 82775846.

It is an arithmetic number, because the mean of its divisors is an integer number (250544166438).

Almost surely, 2^{1002011120111} is an apocalyptic number.

1002011120111 is a deficient number, since it is larger than the sum of its proper divisors (165545641).

1002011120111 is an equidigital number, since it uses as much as digits as its factorization.

1002011120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165545640.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1002011120111 its reverse (1110211102001), we get a palindrome (2112222222112).

The spelling of 1002011120111 in words is "one trillion, two billion, eleven million, one hundred twenty thousand, one hundred eleven".