10012222021181 has 2 divisors, whose sum is σ = 10012222021182. Its totient is φ = 10012222021180.

The previous prime is 10012222021171. The next prime is 10012222021247. The reversal of 10012222021181 is 18112022221001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9566859325156 + 445362696025 = 3093034^2 + 667355^2 .

It is a cyclic number.

It is not a de Polignac number, because 10012222021181 - 2³⁸ = 9737344114237 is a prime.

It is a super-2 number, since 2×10012222021181² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10012222021171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5006111010590 + 5006111010591.

It is an arithmetic number, because the mean of its divisors is an integer number (5006111010591).

Almost surely, 2^{10012222021181} is an apocalyptic number.

It is an amenable number.

10012222021181 is a deficient number, since it is larger than the sum of its proper divisors (1).

10012222021181 is an equidigital number, since it uses as much as digits as its factorization.

10012222021181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 23.

Adding to 10012222021181 its reverse (18112022221001), we get a palindrome (28124244242182).

The spelling of 10012222021181 in words is "ten trillion, twelve billion, two hundred twenty-two million, twenty-one thousand, one hundred eighty-one".