1002101021111 has 4 divisors (see below), whose sum is σ = 1002109640232. Its totient is φ = 1002092401992.

The previous prime is 1002101021063. The next prime is 1002101021149. The reversal of 1002101021111 is 1111201012001.

1002101021111 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 1002101021111 - 2³⁴ = 984921151927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002101021092 and 1002101021101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002101021711) 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, 4132745 + ... + 4368498.

It is an arithmetic number, because the mean of its divisors is an integer number (250527410058).

Almost surely, 2^{1002101021111} is an apocalyptic number.

1002101021111 is a deficient number, since it is larger than the sum of its proper divisors (8619121).

1002101021111 is an equidigital number, since it uses as much as digits as its factorization.

1002101021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8619120.

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

Adding to 1002101021111 its reverse (1111201012001), we get a palindrome (2113302033112).

The spelling of 1002101021111 in words is "one trillion, two billion, one hundred one million, twenty-one thousand, one hundred eleven".