222122021101 has 2 divisors, whose sum is σ = 222122021102. Its totient is φ = 222122021100.

The previous prime is 222122021059. The next prime is 222122021113. The reversal of 222122021101 is 101120221222.

It is a happy number.

222122021101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158061904900 + 64060116201 = 397570^2 + 253101^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222122021101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222122021201) 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, 111061010550 + 111061010551.

It is an arithmetic number, because the mean of its divisors is an integer number (111061010551).

Almost surely, 2^222122021101 is an apocalyptic number.

It is an amenable number.

222122021101 is a deficient number, since it is larger than the sum of its proper divisors (1).

222122021101 is an equidigital number, since it uses as much as digits as its factorization.

222122021101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222122021101 its reverse (101120221222), we get a palindrome (323242242323).

The spelling of 222122021101 in words is "two hundred twenty-two billion, one hundred twenty-two million, twenty-one thousand, one hundred one".