1131020232222 has 16 divisors (see below), whose sum is σ = 2262059479440. Its totient is φ = 377003574912.

The previous prime is 1131020232203. The next prime is 1131020232289. The reversal of 1131020232222 is 2222320201311.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 49804 + ... + 1504832.

It is an arithmetic number, because the mean of its divisors is an integer number (141378717465).

Almost surely, 2^{1131020232222} is an apocalyptic number.

1131020232222 is an abundant number, since it is smaller than the sum of its proper divisors (1131039247218).

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

1131020232222 is a wasteful number, since it uses less digits than its factorization.

1131020232222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584587.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1131020232222 its reverse (2222320201311), we get a palindrome (3353340433533).

The spelling of 1131020232222 in words is "one trillion, one hundred thirty-one billion, twenty million, two hundred thirty-two thousand, two hundred twenty-two".