222220102001 has 8 divisors (see below), whose sum is σ = 222963242280. Its totient is φ = 221477173632.

The previous prime is 222220101977. The next prime is 222220102021. The reversal of 222220102001 is 100201022222.

It can be written as a sum of positive squares in 4 ways, for example, as 24359717776 + 197860384225 = 156076^2 + 444815^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222220102001 - 2¹⁸ = 222219839857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222220102021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2208455 + ... + 2306883.

It is an arithmetic number, because the mean of its divisors is an integer number (27870405285).

Almost surely, 2^222220102001 is an apocalyptic number.

It is an amenable number.

222220102001 is a deficient number, since it is larger than the sum of its proper divisors (743140279).

222220102001 is an equidigital number, since it uses as much as digits as its factorization.

222220102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105955.

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

Adding to 222220102001 its reverse (100201022222), we get a palindrome (322421124223).

The spelling of 222220102001 in words is "two hundred twenty-two billion, two hundred twenty million, one hundred two thousand, one".