222202001101 has 4 divisors (see below), whose sum is σ = 229864139100. Its totient is φ = 214539863104.

The previous prime is 222202001089. The next prime is 222202001207. The reversal of 222202001101 is 101100202222.

It is a happy number.

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 127753345476 + 94448655625 = 357426^2 + 307325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222202001101 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 (222202901101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3831068956 + ... + 3831069013.

It is an arithmetic number, because the mean of its divisors is an integer number (57466034775).

Almost surely, 2^222202001101 is an apocalyptic number.

It is an amenable number.

222202001101 is a deficient number, since it is larger than the sum of its proper divisors (7662137999).

222202001101 is an equidigital number, since it uses as much as digits as its factorization.

222202001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7662137998.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 222202001101 its reverse (101100202222), we get a palindrome (323302203323).

The spelling of 222202001101 in words is "two hundred twenty-two billion, two hundred two million, one thousand, one hundred one".