1222111222022 has 16 divisors (see below), whose sum is σ = 1875194979840. Its totient is φ = 597088237128.

The previous prime is 1222111221973. The next prime is 1222111222039. The reversal of 1222111222022 is 2202221112221.

It is a junction number, because it is equal to n+sod(n) for n = 1222111221985 and 1222111222003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10443578 + ... + 10559949.

It is an arithmetic number, because the mean of its divisors is an integer number (117199686240).

Almost surely, 2^{1222111222022} is an apocalyptic number.

1222111222022 is a deficient number, since it is larger than the sum of its proper divisors (653083757818).

1222111222022 is a wasteful number, since it uses less digits than its factorization.

1222111222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21004195.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1222111222022 its reverse (2202221112221), we get a palindrome (3424332334243).

The spelling of 1222111222022 in words is "one trillion, two hundred twenty-two billion, one hundred eleven million, two hundred twenty-two thousand, twenty-two".