1222112334881 has 2 divisors, whose sum is σ = 1222112334882. Its totient is φ = 1222112334880.

The previous prime is 1222112334851. The next prime is 1222112334929. The reversal of 1222112334881 is 1884332112221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1206502331281 + 15610003600 = 1098409^2 + 124940^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222112334881 - 2¹⁰ = 1222112333857 is a prime.

It is a super-2 number, since 2×1222112334881² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1222112334851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611056167440 + 611056167441.

It is an arithmetic number, because the mean of its divisors is an integer number (611056167441).

Almost surely, 2^{1222112334881} is an apocalyptic number.

It is an amenable number.

1222112334881 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222112334881 is an equidigital number, since it uses as much as digits as its factorization.

1222112334881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 38.

The spelling of 1222112334881 in words is "one trillion, two hundred twenty-two billion, one hundred twelve million, three hundred thirty-four thousand, eight hundred eighty-one".