1301231223111 has 16 divisors (see below), whose sum is σ = 1742558003168. Its totient is φ = 863700710400.

The previous prime is 1301231223101. The next prime is 1301231223119. The reversal of 1301231223111 is 1113221321031.

It is not a de Polignac number, because 1301231223111 - 2⁷ = 1301231222983 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 (1301231223119) 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 15 ways as a sum of consecutive naturals, for example, 505071 + ... + 1690431.

It is an arithmetic number, because the mean of its divisors is an integer number (108909875198).

Almost surely, 2^{1301231223111} is an apocalyptic number.

1301231223111 is a deficient number, since it is larger than the sum of its proper divisors (441326780057).

1301231223111 is a wasteful number, since it uses less digits than its factorization.

1301231223111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186962.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1301231223111 its reverse (1113221321031), we get a palindrome (2414452544142).

The spelling of 1301231223111 in words is "one trillion, three hundred one billion, two hundred thirty-one million, two hundred twenty-three thousand, one hundred eleven".