1311222022134 has 8 divisors (see below), whose sum is σ = 2622444044280. Its totient is φ = 437074007376.

The previous prime is 1311222022133. The next prime is 1311222022139. The reversal of 1311222022134 is 4312202221131.

It is a sphenic number, since it is the product of 3 distinct primes.

1311222022134 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311222022133) 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, 109268501839 + ... + 109268501850.

It is an arithmetic number, because the mean of its divisors is an integer number (327805505535).

Almost surely, 2^{1311222022134} is an apocalyptic number.

1311222022134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311222022134 is a wasteful number, since it uses less digits than its factorization.

1311222022134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218537003694.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1311222022134 its reverse (4312202221131), we get a palindrome (5623424243265).

The spelling of 1311222022134 in words is "one trillion, three hundred eleven billion, two hundred twenty-two million, twenty-two thousand, one hundred thirty-four".