1322213131011 has 4 divisors (see below), whose sum is σ = 1762950841352. Its totient is φ = 881475420672.

The previous prime is 1322213131007. The next prime is 1322213131013. The reversal of 1322213131011 is 1101313122231.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1322213131011 - 2² = 1322213131007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1322213131013) 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, 220368855166 + ... + 220368855171.

It is an arithmetic number, because the mean of its divisors is an integer number (440737710338).

Almost surely, 2^{1322213131011} is an apocalyptic number.

1322213131011 is a deficient number, since it is larger than the sum of its proper divisors (440737710341).

1322213131011 is an equidigital number, since it uses as much as digits as its factorization.

1322213131011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440737710340.

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

Adding to 1322213131011 its reverse (1101313122231), we get a palindrome (2423526253242).

The spelling of 1322213131011 in words is "one trillion, three hundred twenty-two billion, two hundred thirteen million, one hundred thirty-one thousand, eleven".