1301223002011 has 4 divisors (see below), whose sum is σ = 1301225313672. Its totient is φ = 1301220690352.

The previous prime is 1301223001961. The next prime is 1301223002017. The reversal of 1301223002011 is 1102003221031.

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 1301223002011 - 2¹⁵ = 1301222969243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1301223002017) 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, 298416 + ... + 1640578.

It is an arithmetic number, because the mean of its divisors is an integer number (325306328418).

Almost surely, 2^{1301223002011} is an apocalyptic number.

1301223002011 is a deficient number, since it is larger than the sum of its proper divisors (2311661).

1301223002011 is an equidigital number, since it uses as much as digits as its factorization.

1301223002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311660.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1301223002011 its reverse (1102003221031), we get a palindrome (2403226223042).

The spelling of 1301223002011 in words is "one trillion, three hundred one billion, two hundred twenty-three million, two thousand, eleven".