1131422320202 has 4 divisors (see below), whose sum is σ = 1697133480306. Its totient is φ = 565711160100.

The previous prime is 1131422320163. The next prime is 1131422320219. The reversal of 1131422320202 is 2020232241311.

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

It can be written as a sum of positive squares in only one way, i.e., 945213672841 + 186208647361 = 972221^2 + 431519^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282855580049 + ... + 282855580052.

Almost surely, 2^{1131422320202} is an apocalyptic number.

1131422320202 is a deficient number, since it is larger than the sum of its proper divisors (565711160104).

1131422320202 is an equidigital number, since it uses as much as digits as its factorization.

1131422320202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565711160103.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1131422320202 its reverse (2020232241311), we get a palindrome (3151654561513).

The spelling of 1131422320202 in words is "one trillion, one hundred thirty-one billion, four hundred twenty-two million, three hundred twenty thousand, two hundred two".