1131220140222 has 16 divisors (see below), whose sum is σ = 2277624445200. Its totient is φ = 374542685952.

The previous prime is 1131220140161. The next prime is 1131220140227. The reversal of 1131220140222 is 2220410221311.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131220140227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 632672563 + ... + 632674350.

It is an arithmetic number, because the mean of its divisors is an integer number (142351527825).

Almost surely, 2^{1131220140222} is an apocalyptic number.

1131220140222 is an abundant number, since it is smaller than the sum of its proper divisors (1146404304978).

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

1131220140222 is a wasteful number, since it uses less digits than its factorization.

1131220140222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265347067.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1131220140222 its reverse (2220410221311), we get a palindrome (3351630361533).

The spelling of 1131220140222 in words is "one trillion, one hundred thirty-one billion, two hundred twenty million, one hundred forty thousand, two hundred twenty-two".