1002111110101 has 4 divisors (see below), whose sum is σ = 1002249473152. Its totient is φ = 1001972747052.

The previous prime is 1002111110089. The next prime is 1002111110129. The reversal of 1002111110101 is 1010111112001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1002111110101 - 2¹⁵ = 1002111077333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002111110131) 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, 69170661 + ... + 69185146.

It is an arithmetic number, because the mean of its divisors is an integer number (250562368288).

Almost surely, 2^{1002111110101} is an apocalyptic number.

It is an amenable number.

1002111110101 is a deficient number, since it is larger than the sum of its proper divisors (138363051).

1002111110101 is an equidigital number, since it uses as much as digits as its factorization.

1002111110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138363050.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 1002111110101 its reverse (1010111112001), we get a palindrome (2012222222102).

The spelling of 1002111110101 in words is "one trillion, two billion, one hundred eleven million, one hundred ten thousand, one hundred one".