9222201001081 has 2 divisors, whose sum is σ = 9222201001082. Its totient is φ = 9222201001080.

The previous prime is 9222201001051. The next prime is 9222201001133. The reversal of 9222201001081 is 1801001022229.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7858406791225 + 1363794209856 = 2803285^2 + 1167816^2 .

It is a cyclic number.

It is not a de Polignac number, because 9222201001081 - 2⁵ = 9222201001049 is a prime.

It is a super-2 number, since 2×9222201001081² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9222201001051) 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, 4611100500540 + 4611100500541.

It is an arithmetic number, because the mean of its divisors is an integer number (4611100500541).

Almost surely, 2^{9222201001081} is an apocalyptic number.

It is an amenable number.

9222201001081 is a deficient number, since it is larger than the sum of its proper divisors (1).

9222201001081 is an equidigital number, since it uses as much as digits as its factorization.

9222201001081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 9222201001081 in words is "nine trillion, two hundred twenty-two billion, two hundred one million, one thousand, eighty-one".