1002101201111 has 4 divisors (see below), whose sum is σ = 1002111601800. Its totient is φ = 1002090800424.

The previous prime is 1002101201083. The next prime is 1002101201117. The reversal of 1002101201111 is 1111021012001.

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 1002101201111 - 2³⁰ = 1001027459287 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002101201092 and 1002101201101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002101201117) 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, 5054456 + ... + 5248973.

It is an arithmetic number, because the mean of its divisors is an integer number (250527900450).

Almost surely, 2^{1002101201111} is an apocalyptic number.

1002101201111 is a deficient number, since it is larger than the sum of its proper divisors (10400689).

1002101201111 is an equidigital number, since it uses as much as digits as its factorization.

1002101201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10400688.

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

Adding to 1002101201111 its reverse (1111021012001), we get a palindrome (2113122213112).

The spelling of 1002101201111 in words is "one trillion, two billion, one hundred one million, two hundred one thousand, one hundred eleven".