222100200202201 has 16 divisors (see below), whose sum is σ = 241583024881296. Its totient is φ = 203333413072896.

The previous prime is 222100200202189. The next prime is 222100200202217. The reversal of 222100200202201 is 102202002001222.

It can be written as a sum of positive squares in 8 ways, for example, as 29651030716176 + 192449169486025 = 5445276^2 + 13872605^2 .

It is not a de Polignac number, because 222100200202201 - 2⁵ = 222100200202169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222100200203201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43099216 + ... + 47976481.

It is an arithmetic number, because the mean of its divisors is an integer number (15098939055081).

Almost surely, 2^{222100200202201} is an apocalyptic number.

It is an amenable number.

222100200202201 is a deficient number, since it is larger than the sum of its proper divisors (19482824679095).

222100200202201 is a wasteful number, since it uses less digits than its factorization.

222100200202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91079628.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222100200202201 its reverse (102202002001222), we get a palindrome (324302202203423).

The spelling of 222100200202201 in words is "two hundred twenty-two trillion, one hundred billion, two hundred million, two hundred two thousand, two hundred one".