110022110021 has 2 divisors, whose sum is σ = 110022110022. Its totient is φ = 110022110020.

The previous prime is 110022109949. The next prime is 110022110039. The reversal of 110022110021 is 120011220011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101307887521 + 8714222500 = 318289^2 + 93350^2 .

It is a cyclic number.

It is not a de Polignac number, because 110022110021 - 2²⁶ = 109955001157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110022109984 and 110022110011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110022110221) 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, 55011055010 + 55011055011.

It is an arithmetic number, because the mean of its divisors is an integer number (55011055011).

Almost surely, 2^110022110021 is an apocalyptic number.

It is an amenable number.

110022110021 is a deficient number, since it is larger than the sum of its proper divisors (1).

110022110021 is an equidigital number, since it uses as much as digits as its factorization.

110022110021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 110022110021 its reverse (120011220011), we get a palindrome (230033330032).

The spelling of 110022110021 in words is "one hundred ten billion, twenty-two million, one hundred ten thousand, twenty-one".