1111222352252 has 12 divisors (see below), whose sum is σ = 1949716505856. Its totient is φ = 554160493440.

The previous prime is 1111222352209. The next prime is 1111222352267. The reversal of 1111222352252 is 2522532221111.

It is a super-2 number, since 2×1111222352252² (a number of 25 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 362668949 + ... + 362672012.

It is an arithmetic number, because the mean of its divisors is an integer number (162476375488).

Almost surely, 2^{1111222352252} is an apocalyptic number.

It is an amenable number.

1111222352252 is a deficient number, since it is larger than the sum of its proper divisors (838494153604).

1111222352252 is a wasteful number, since it uses less digits than its factorization.

1111222352252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725341348 (or 725341346 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

Adding to 1111222352252 its reverse (2522532221111), we get a palindrome (3633754573363).

The spelling of 1111222352252 in words is "one trillion, one hundred eleven billion, two hundred twenty-two million, three hundred fifty-two thousand, two hundred fifty-two".