1301322212111 has 4 divisors (see below), whose sum is σ = 1301325230400. Its totient is φ = 1301319193824.

The previous prime is 1301322212077. The next prime is 1301322212147. The reversal of 1301322212111 is 1112122231031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1301322212111 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 (1301322262111) 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, 727466 + ... + 1769703.

It is an arithmetic number, because the mean of its divisors is an integer number (325331307600).

Almost surely, 2^{1301322212111} is an apocalyptic number.

1301322212111 is a deficient number, since it is larger than the sum of its proper divisors (3018289).

1301322212111 is an equidigital number, since it uses as much as digits as its factorization.

1301322212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3018288.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1301322212111 its reverse (1112122231031), we get a palindrome (2413444443142).

The spelling of 1301322212111 in words is "one trillion, three hundred one billion, three hundred twenty-two million, two hundred twelve thousand, one hundred eleven".