222101131081 has 2 divisors, whose sum is σ = 222101131082. Its totient is φ = 222101131080.

The previous prime is 222101130997. The next prime is 222101131093. The reversal of 222101131081 is 180131101222.

222101131081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222014361856 + 86769225 = 471184^2 + 9315^2 .

It is a cyclic number.

It is not a de Polignac number, because 222101131081 - 2²¹ = 222099033929 is a prime.

It is a super-2 number, since 2×222101131081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222101131181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111050565540 + 111050565541.

It is an arithmetic number, because the mean of its divisors is an integer number (111050565541).

Almost surely, 2^222101131081 is an apocalyptic number.

It is an amenable number.

222101131081 is a deficient number, since it is larger than the sum of its proper divisors (1).

222101131081 is an equidigital number, since it uses as much as digits as its factorization.

222101131081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 22.

The spelling of 222101131081 in words is "two hundred twenty-two billion, one hundred one million, one hundred thirty-one thousand, eighty-one".