2221120211222 has 24 divisors (see below), whose sum is σ = 3662270411016. Its totient is φ = 1009551708000.

The previous prime is 2221120211203. The next prime is 2221120211237.

2221120211222 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 2221120211194 and 2221120211203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5105597 + ... + 5523527.

It is an arithmetic number, because the mean of its divisors is an integer number (152594600459).

Almost surely, 2^{2221120211222} is an apocalyptic number.

2221120211222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2221120211222 is a deficient number, since it is larger than the sum of its proper divisors (1441150199794).

2221120211222 is a wasteful number, since it uses less digits than its factorization.

2221120211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439916 (or 439905 counting only the distinct ones).

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

It can be divided in two parts, 2221120 and 211222, that added together give a palindrome (2432342).

The spelling of 2221120211222 in words is "two trillion, two hundred twenty-one billion, one hundred twenty million, two hundred eleven thousand, two hundred twenty-two".