1121322202 has 128 divisors (see below), whose sum is σ = 2438553600. Its totient is φ = 372211200.

The previous prime is 1121322179. The next prime is 1121322203. The reversal of 1121322202 is 2022231211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1121322203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1559199 + ... + 1559917.

It is an arithmetic number, because the mean of its divisors is an integer number (19051200).

Almost surely, 2^1121322202 is an apocalyptic number.

1121322202 is an abundant number, since it is smaller than the sum of its proper divisors (1317231398).

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

1121322202 is a wasteful number, since it uses less digits than its factorization.

1121322202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1121322202 is about 33486.1494053885. The cubic root of 1121322202 is about 1038.9073219289.

Adding to 1121322202 its reverse (2022231211), we get a palindrome (3143553413).

Subtracting 1121322202 from its reverse (2022231211), we obtain a palindrome (900909009).

It can be divided in two parts, 1121 and 322202, that added together give a palindrome (323323).

The spelling of 1121322202 in words is "one billion, one hundred twenty-one million, three hundred twenty-two thousand, two hundred two".