222102221011001 has 2 divisors, whose sum is σ = 222102221011002. Its totient is φ = 222102221011000.

The previous prime is 222102221010991. The next prime is 222102221011031. The reversal of 222102221011001 is 100110122201222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204711853140025 + 17390367870976 = 14307755^2 + 4170176^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222102221011001 is a prime.

It is a super-3 number, since 3×222102221011001³ (a number of 44 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (222102221011031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111051110505500 + 111051110505501.

It is an arithmetic number, because the mean of its divisors is an integer number (111051110505501).

Almost surely, 2^{222102221011001} is an apocalyptic number.

It is an amenable number.

222102221011001 is a deficient number, since it is larger than the sum of its proper divisors (1).

222102221011001 is an equidigital number, since it uses as much as digits as its factorization.

222102221011001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222102221011001 its reverse (100110122201222), we get a palindrome (322212343212223).

The spelling of 222102221011001 in words is "two hundred twenty-two trillion, one hundred two billion, two hundred twenty-one million, eleven thousand, one".