222202020101 has 4 divisors (see below), whose sum is σ = 224402040204. Its totient is φ = 220002000000.

The previous prime is 222202020083. The next prime is 222202020149. The reversal of 222202020101 is 101020202222.

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 209736520900 + 12465499201 = 457970^2 + 111649^2 .

It is a cyclic number.

It is not a de Polignac number, because 222202020101 - 2¹⁸ = 222201757957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222202020701) 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, 1100009900 + ... + 1100010101.

It is an arithmetic number, because the mean of its divisors is an integer number (56100510051).

Almost surely, 2^222202020101 is an apocalyptic number.

It is an amenable number.

222202020101 is a deficient number, since it is larger than the sum of its proper divisors (2200020103).

222202020101 is a wasteful number, since it uses less digits than its factorization.

222202020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2200020102.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 222202020101 its reverse (101020202222), we get a palindrome (323222222323).

The spelling of 222202020101 in words is "two hundred twenty-two billion, two hundred two million, twenty thousand, one hundred one".