110102213222021 has 2 divisors, whose sum is σ = 110102213222022. Its totient is φ = 110102213222020.

The previous prime is 110102213221969. The next prime is 110102213222059. The reversal of 110102213222021 is 120222312201011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64613784592900 + 45488428629121 = 8038270^2 + 6744511^2 .

It is a cyclic number.

It is not a de Polignac number, because 110102213222021 - 2¹⁸ = 110102212959877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110102213221984 and 110102213222002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110102213227021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55051106611010 + 55051106611011.

It is an arithmetic number, because the mean of its divisors is an integer number (55051106611011).

Almost surely, 2^{110102213222021} is an apocalyptic number.

It is an amenable number.

110102213222021 is a deficient number, since it is larger than the sum of its proper divisors (1).

110102213222021 is an equidigital number, since it uses as much as digits as its factorization.

110102213222021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 110102213222021 its reverse (120222312201011), we get a palindrome (230324525423032).

The spelling of 110102213222021 in words is "one hundred ten trillion, one hundred two billion, two hundred thirteen million, two hundred twenty-two thousand, twenty-one".