1002121110011 has 4 divisors (see below), whose sum is σ = 1145281268592. Its totient is φ = 858960951432.

The previous prime is 1002121110007. The next prime is 1002121110037. The reversal of 1002121110011 is 1100111212001.

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 1002121110011 - 2² = 1002121110007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002121109974 and 1002121110001.

It is not an unprimeable number, because it can be changed into a prime (1002121110091) 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, 71580079280 + ... + 71580079293.

It is an arithmetic number, because the mean of its divisors is an integer number (286320317148).

Almost surely, 2^{1002121110011} is an apocalyptic number.

1002121110011 is a deficient number, since it is larger than the sum of its proper divisors (143160158581).

1002121110011 is an equidigital number, since it uses as much as digits as its factorization.

1002121110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143160158580.

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

Adding to 1002121110011 its reverse (1100111212001), we get a palindrome (2102232322012).

The spelling of 1002121110011 in words is "one trillion, two billion, one hundred twenty-one million, one hundred ten thousand, eleven".