110022220081 has 2 divisors, whose sum is σ = 110022220082.
Its totient is φ = 110022220080.
The previous prime is 110022220039. The next prime is 110022220093. The reversal of 110022220081 is 180022220011.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 75286579456 + 34735640625 = 274384^2 + 186375^2
It is a cyclic number.
It is not a de Polignac number, because 110022220081 - 215 = 110022187313 is a prime.
It is a super-2 number, since 2×1100222200812 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (110022220381) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55011110040 + 55011110041.
It is an arithmetic number, because the mean of its divisors is an integer number (55011110041).
Almost surely, 2110022220081 is an apocalyptic number.
It is an amenable number.
110022220081 is a deficient number, since it is larger than the sum of its proper divisors (1).
110022220081 is an equidigital number, since it uses as much as digits as its factorization.
110022220081 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 128, while the sum is 19.
Adding to 110022220081 its reverse (180022220011), we get a palindrome (290044440092).
The spelling of 110022220081 in words is "one hundred ten billion, twenty-two million, two hundred twenty thousand, eighty-one".