1002201113201 has 4 divisors (see below), whose sum is σ = 1029287629812. Its totient is φ = 975114596592.

The previous prime is 1002201113197. The next prime is 1002201113261. The reversal of 1002201113201 is 1023111022001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 841624594801 + 160576518400 = 917401^2 + 400720^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002201113201 - 2² = 1002201113197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002201113261) 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, 13543258250 + ... + 13543258323.

It is an arithmetic number, because the mean of its divisors is an integer number (257321907453).

Almost surely, 2^{1002201113201} is an apocalyptic number.

It is an amenable number.

1002201113201 is a deficient number, since it is larger than the sum of its proper divisors (27086516611).

1002201113201 is an equidigital number, since it uses as much as digits as its factorization.

1002201113201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27086516610.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1002201113201 its reverse (1023111022001), we get a palindrome (2025312135202).

The spelling of 1002201113201 in words is "one trillion, two billion, two hundred one million, one hundred thirteen thousand, two hundred one".