222101213101 has 2 divisors, whose sum is σ = 222101213102. Its totient is φ = 222101213100.

The previous prime is 222101213069. The next prime is 222101213129. The reversal of 222101213101 is 101312101222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220218087076 + 1883126025 = 469274^2 + 43395^2 .

It is a cyclic number.

It is not a de Polignac number, because 222101213101 - 2⁵ = 222101213069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222101213501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111050606550 + 111050606551.

It is an arithmetic number, because the mean of its divisors is an integer number (111050606551).

Almost surely, 2^222101213101 is an apocalyptic number.

It is an amenable number.

222101213101 is a deficient number, since it is larger than the sum of its proper divisors (1).

222101213101 is an equidigital number, since it uses as much as digits as its factorization.

222101213101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 222101213101 its reverse (101312101222), we get a palindrome (323413314323).

The spelling of 222101213101 in words is "two hundred twenty-two billion, one hundred one million, two hundred thirteen thousand, one hundred one".