211021002222201 has 12 divisors (see below), whose sum is σ = 307208178214912. Its totient is φ = 139572946350936.

The previous prime is 211021002222169. The next prime is 211021002222241. The reversal of 211021002222201 is 102222200120112.

It is a happy number.

211021002222201 is a `hidden beast` number, since 2 + 1 + 10 + 210 + 0 + 222 + 220 + 1 = 666.

It is not a de Polignac number, because 211021002222201 - 2⁵ = 211021002222169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211021002222241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92310148561 + ... + 92310150846.

Almost surely, 2^{211021002222201} is an apocalyptic number.

It is an amenable number.

211021002222201 is a deficient number, since it is larger than the sum of its proper divisors (96187175992711).

211021002222201 is a wasteful number, since it uses less digits than its factorization.

211021002222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184620299540 (or 184620299537 counting only the distinct ones).

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

Adding to 211021002222201 its reverse (102222200120112), we get a palindrome (313243202342313).

The spelling of 211021002222201 in words is "two hundred eleven trillion, twenty-one billion, two million, two hundred twenty-two thousand, two hundred one".