1002002001101 has 4 divisors (see below), whose sum is σ = 1002006785472. Its totient is φ = 1001997216732.

The previous prime is 1002002001097. The next prime is 1002002001137. The reversal of 1002002001101 is 1011002002001.

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 1002002001101 - 2² = 1002002001097 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 (1002002001181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2062931 + ... + 2501936.

It is an arithmetic number, because the mean of its divisors is an integer number (250501696368).

Almost surely, 2^{1002002001101} is an apocalyptic number.

It is an amenable number.

1002002001101 is a deficient number, since it is larger than the sum of its proper divisors (4784371).

1002002001101 is an equidigital number, since it uses as much as digits as its factorization.

1002002001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4784370.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1002002001101 its reverse (1011002002001), we get a palindrome (2013004003102).

It can be divided in two parts, 1002002001 and 101, that multiplied together give a palindrome (101202202101).

The spelling of 1002002001101 in words is "one trillion, two billion, two million, one thousand, one hundred one".