211020222202201 has 8 divisors (see below), whose sum is σ = 213410536128360. Its totient is φ = 208630337169408.

The previous prime is 211020222202193. The next prime is 211020222202253. The reversal of 211020222202201 is 102202222020112.

It can be written as a sum of positive squares in 4 ways, for example, as 1719651936025 + 209300570266176 = 1311355^2 + 14467224^2 .

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 211020222202201 - 2³ = 211020222202193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211020222202261) 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, 106233696 + ... + 108201841.

It is an arithmetic number, because the mean of its divisors is an integer number (26676317016045).

Almost surely, 2^{211020222202201} is an apocalyptic number.

It is an amenable number.

211020222202201 is a deficient number, since it is larger than the sum of its proper divisors (2390313926159).

211020222202201 is a wasteful number, since it uses less digits than its factorization.

211020222202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214446683.

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

Adding to 211020222202201 its reverse (102202222020112), we get a palindrome (313222444222313).

The spelling of 211020222202201 in words is "two hundred eleven trillion, twenty billion, two hundred twenty-two million, two hundred two thousand, two hundred one".