222101212020201 has 32 divisors (see below), whose sum is σ = 334439434506240. Its totient is φ = 145637298518400.

The previous prime is 222101212020143. The next prime is 222101212020223. The reversal of 222101212020201 is 102020212101222.

It is a happy number.

222101212020201 is a `hidden beast` number, since 22 + 210 + 1 + 212 + 0 + 20 + 201 = 666.

It is not a de Polignac number, because 222101212020201 - 2¹⁷ = 222101211889129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222101212020251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84870616 + ... + 87448406.

It is an arithmetic number, because the mean of its divisors is an integer number (10451232328320).

Almost surely, 2^{222101212020201} is an apocalyptic number.

It is an amenable number.

222101212020201 is a deficient number, since it is larger than the sum of its proper divisors (112338222486039).

222101212020201 is a wasteful number, since it uses less digits than its factorization.

222101212020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630174 (or 2630168 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222101212020201 its reverse (102020212101222), we get a palindrome (324121424121423).

The spelling of 222101212020201 in words is "two hundred twenty-two trillion, one hundred one billion, two hundred twelve million, twenty thousand, two hundred one".