222221210020201 has 32 divisors (see below), whose sum is σ = 258890602457088. Its totient is φ = 186820670952960.

The previous prime is 222221210020123. The next prime is 222221210020247. The reversal of 222221210020201 is 102020012122222.

It is a cyclic number.

It is not a de Polignac number, because 222221210020201 - 2²⁹ = 222220673149289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222221210020001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44169516 + ... + 48942706.

It is an arithmetic number, because the mean of its divisors is an integer number (8090331326784).

Almost surely, 2^{222221210020201} is an apocalyptic number.

It is an amenable number.

222221210020201 is a deficient number, since it is larger than the sum of its proper divisors (36669392436887).

222221210020201 is a wasteful number, since it uses less digits than its factorization.

222221210020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4773861.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222221210020201 its reverse (102020012122222), we get a palindrome (324241222142423).

The spelling of 222221210020201 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, two hundred ten million, twenty thousand, two hundred one".