1311022132222 has 32 divisors (see below), whose sum is σ = 2193082249824. Its totient is φ = 582761731200.

The previous prime is 1311022132153. The next prime is 1311022132223. The reversal of 1311022132222 is 2222312201131.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1311022132193 and 1311022132202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311022132223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2591293 + ... + 3055624.

It is an arithmetic number, because the mean of its divisors is an integer number (68533820307).

Almost surely, 2^{1311022132222} is an apocalyptic number.

1311022132222 is a deficient number, since it is larger than the sum of its proper divisors (882060117602).

1311022132222 is a wasteful number, since it uses less digits than its factorization.

1311022132222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5647164.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1311022132222 its reverse (2222312201131), we get a palindrome (3533334333353).

The spelling of 1311022132222 in words is "one trillion, three hundred eleven billion, twenty-two million, one hundred thirty-two thousand, two hundred twenty-two".