22100333161 has 2 divisors, whose sum is σ = 22100333162. Its totient is φ = 22100333160.

The previous prime is 22100333153. The next prime is 22100333257. The reversal of 22100333161 is 16133300122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18697827600 + 3402505561 = 136740^2 + 58331^2 .

It is a cyclic number.

It is not a de Polignac number, because 22100333161 - 2³ = 22100333153 is a prime.

It is not a weakly prime, because it can be changed into another prime (22100333111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050166580 + 11050166581.

It is an arithmetic number, because the mean of its divisors is an integer number (11050166581).

Almost surely, 2^22100333161 is an apocalyptic number.

It is an amenable number.

22100333161 is a deficient number, since it is larger than the sum of its proper divisors (1).

22100333161 is an equidigital number, since it uses as much as digits as its factorization.

22100333161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 22100333161 its reverse (16133300122), we get a palindrome (38233633283).

The spelling of 22100333161 in words is "twenty-two billion, one hundred million, three hundred thirty-three thousand, one hundred sixty-one".