1112111221022 has 4 divisors (see below), whose sum is σ = 1668166831536. Its totient is φ = 556055610510.

The previous prime is 1112111220943. The next prime is 1112111221037. The reversal of 1112111221022 is 2201221112111.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278027805254 + ... + 278027805257.

It is an arithmetic number, because the mean of its divisors is an integer number (417041707884).

Almost surely, 2^{1112111221022} is an apocalyptic number.

1112111221022 is a deficient number, since it is larger than the sum of its proper divisors (556055610514).

1112111221022 is an equidigital number, since it uses as much as digits as its factorization.

1112111221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556055610513.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1112111221022 its reverse (2201221112111), we get a palindrome (3313332333133).

The spelling of 1112111221022 in words is "one trillion, one hundred twelve billion, one hundred eleven million, two hundred twenty-one thousand, twenty-two".