1311211241301 has 32 divisors (see below), whose sum is σ = 1911441788928. Its totient is φ = 794701877760.

The previous prime is 1311211241293. The next prime is 1311211241321. The reversal of 1311211241301 is 1031421121131.

It is a happy number.

It is not a de Polignac number, because 1311211241301 - 2³ = 1311211241293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311211241321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 287610 + ... + 1644731.

It is an arithmetic number, because the mean of its divisors is an integer number (59732555904).

Almost surely, 2^{1311211241301} is an apocalyptic number.

It is an amenable number.

1311211241301 is a deficient number, since it is larger than the sum of its proper divisors (600230547627).

1311211241301 is a wasteful number, since it uses less digits than its factorization.

1311211241301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932621.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 1311211241301 its reverse (1031421121131), we get a palindrome (2342632362432).

The spelling of 1311211241301 in words is "one trillion, three hundred eleven billion, two hundred eleven million, two hundred forty-one thousand, three hundred one".