1031222111232 has 88 divisors (see below), whose sum is σ = 2793642136432. Its totient is φ = 338105548800.

The previous prime is 1031222111219. The next prime is 1031222111239. The reversal of 1031222111232 is 2321112221301.

It is a junction number, because it is equal to n+sod(n) for n = 1031222111199 and 1031222111208.

It is not an unprimeable number, because it can be changed into a prime (1031222111239) 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 7 ways as a sum of consecutive naturals, for example, 2564119 + ... + 2938902.

Almost surely, 2^{1031222111232} is an apocalyptic number.

1031222111232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1031222111232 is an abundant number, since it is smaller than the sum of its proper divisors (1762420025200).

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

1031222111232 is an equidigital number, since it uses as much as digits as its factorization.

1031222111232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5503105 (or 5503087 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1031222111232 its reverse (2321112221301), we get a palindrome (3352334332533).

The spelling of 1031222111232 in words is "one trillion, thirty-one billion, two hundred twenty-two million, one hundred eleven thousand, two hundred thirty-two".