222001110101 has 4 divisors (see below), whose sum is σ = 222098438604. Its totient is φ = 221903781600.

The previous prime is 222001110073. The next prime is 222001110109. The reversal of 222001110101 is 101011100222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44423992900 + 177577117201 = 210770^2 + 421399^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222001110101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222001110109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48660830 + ... + 48665391.

It is an arithmetic number, because the mean of its divisors is an integer number (55524609651).

Almost surely, 2^222001110101 is an apocalyptic number.

It is an amenable number.

222001110101 is a deficient number, since it is larger than the sum of its proper divisors (97328503).

222001110101 is an equidigital number, since it uses as much as digits as its factorization.

222001110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97328502.

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

Adding to 222001110101 its reverse (101011100222), we get a palindrome (323012210323).

The spelling of 222001110101 in words is "two hundred twenty-two billion, one million, one hundred ten thousand, one hundred one".