222210101 has 2 divisors, whose sum is σ = 222210102. Its totient is φ = 222210100.

The previous prime is 222210097. The next prime is 222210103. The reversal of 222210101 is 101012222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222159025 + 51076 = 14905^2 + 226^2 .

It is a cyclic number.

It is not a de Polignac number, because 222210101 - 2² = 222210097 is a prime.

Together with 222210103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222210103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111105050 + 111105051.

It is an arithmetic number, because the mean of its divisors is an integer number (111105051).

Almost surely, 2^222210101 is an apocalyptic number.

It is an amenable number.

222210101 is a deficient number, since it is larger than the sum of its proper divisors (1).

222210101 is an equidigital number, since it uses as much as digits as its factorization.

222210101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 222210101 is about 14906.7132863016. The cubic root of 222210101 is about 605.6958512159.

Adding to 222210101 its reverse (101012222), we get a palindrome (323222323).

It can be divided in two parts, 2222 and 10101, that multiplied together give a palindrome (22444422).

The spelling of 222210101 in words is "two hundred twenty-two million, two hundred ten thousand, one hundred one".