1222213030111 has 16 divisors (see below), whose sum is σ = 1235655907200. Its totient is φ = 1208812737888.

The previous prime is 1222213030097. The next prime is 1222213030141. The reversal of 1222213030111 is 1110303122221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222213030111 is a prime.

It is a super-2 number, since 2×1222213030111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222213030141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183539700 + ... + 183546358.

It is an arithmetic number, because the mean of its divisors is an integer number (77228494200).

Almost surely, 2^{1222213030111} is an apocalyptic number.

1222213030111 is a deficient number, since it is larger than the sum of its proper divisors (13442877089).

1222213030111 is a wasteful number, since it uses less digits than its factorization.

1222213030111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9558.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1222213030111 its reverse (1110303122221), we get a palindrome (2332516152332).

The spelling of 1222213030111 in words is "one trillion, two hundred twenty-two billion, two hundred thirteen million, thirty thousand, one hundred eleven".