222011022211001 has 8 divisors (see below), whose sum is σ = 222055798134600. Its totient is φ = 221966248936960.

The previous prime is 222011022210997. The next prime is 222011022211031. The reversal of 222011022211001 is 100112220110222.

It can be written as a sum of positive squares in 4 ways, for example, as 19364409051001 + 202646613160000 = 4400501^2 + 14235400^2 .

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 222011022211001 - 2² = 222011022210997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222011022211031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171428585 + ... + 172718793.

It is an arithmetic number, because the mean of its divisors is an integer number (27756974766825).

Almost surely, 2^{222011022211001} is an apocalyptic number.

It is an amenable number.

222011022211001 is a deficient number, since it is larger than the sum of its proper divisors (44775923599).

222011022211001 is a wasteful number, since it uses less digits than its factorization.

222011022211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324779.

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

Adding to 222011022211001 its reverse (100112220110222), we get a palindrome (322123242321223).

The spelling of 222011022211001 in words is "two hundred twenty-two trillion, eleven billion, twenty-two million, two hundred eleven thousand, one".