1313322212111 has 16 divisors (see below), whose sum is σ = 1616434842624. Its totient is φ = 1039087475424.

The previous prime is 1313322212051. The next prime is 1313322212131. The reversal of 1313322212111 is 1112122233131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1313322212111 - 2²² = 1313318017807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313322212131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4345850 + ... + 4638216.

It is an arithmetic number, because the mean of its divisors is an integer number (101027177664).

Almost surely, 2^{1313322212111} is an apocalyptic number.

1313322212111 is a deficient number, since it is larger than the sum of its proper divisors (303112630513).

1313322212111 is a wasteful number, since it uses less digits than its factorization.

1313322212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341750.

The product of its digits is 432, while the sum is 23.

Adding to 1313322212111 its reverse (1112122233131), we get a palindrome (2425444445242).

The spelling of 1313322212111 in words is "one trillion, three hundred thirteen billion, three hundred twenty-two million, two hundred twelve thousand, one hundred eleven".