1222113214181 has 2 divisors, whose sum is σ = 1222113214182. Its totient is φ = 1222113214180.

The previous prime is 1222113214171. The next prime is 1222113214207. The reversal of 1222113214181 is 1814123112221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1198214836900 + 23898377281 = 1094630^2 + 154591^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222113214181 - 2²² = 1222109019877 is a prime.

It is a super-2 number, since 2×1222113214181² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222113214171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611056607090 + 611056607091.

It is an arithmetic number, because the mean of its divisors is an integer number (611056607091).

Almost surely, 2^{1222113214181} is an apocalyptic number.

It is an amenable number.

1222113214181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222113214181 is an equidigital number, since it uses as much as digits as its factorization.

1222113214181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 29.

The spelling of 1222113214181 in words is "one trillion, two hundred twenty-two billion, one hundred thirteen million, two hundred fourteen thousand, one hundred eighty-one".