222211112110201 has 8 divisors (see below), whose sum is σ = 222285291251400. Its totient is φ = 222136934426880.

The previous prime is 222211112110111. The next prime is 222211112110231. The reversal of 222211112110201 is 102011211112222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 60821655782976 + 161389456327225 = 7798824^2 + 12703915^2 .

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 222211112110201 - 2⁹ = 222211112109689 is a prime.

It is a super-3 number, since 3×222211112110201³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222211112110231) 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, 365523471 + ... + 366130891.

It is an arithmetic number, because the mean of its divisors is an integer number (27785661406425).

Almost surely, 2^{222211112110201} is an apocalyptic number.

It is an amenable number.

222211112110201 is a deficient number, since it is larger than the sum of its proper divisors (74179141199).

222211112110201 is a wasteful number, since it uses less digits than its factorization.

222211112110201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728939.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 222211112110201 its reverse (102011211112222), we get a palindrome (324222323222423).

The spelling of 222211112110201 in words is "two hundred twenty-two trillion, two hundred eleven billion, one hundred twelve million, one hundred ten thousand, two hundred one".