211100212222201 has 8 divisors (see below), whose sum is σ = 226403405363520. Its totient is φ = 196216284646512.

The previous prime is 211100212222199. The next prime is 211100212222213. The reversal of 211100212222201 is 102222212001112.

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 211100212222201 - 2¹ = 211100212222199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211100212228201) 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, 104816390365 + ... + 104816392378.

It is an arithmetic number, because the mean of its divisors is an integer number (28300425670440).

Almost surely, 2^{211100212222201} is an apocalyptic number.

It is an amenable number.

211100212222201 is a deficient number, since it is larger than the sum of its proper divisors (15303193141319).

211100212222201 is a wasteful number, since it uses less digits than its factorization.

211100212222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209632782815.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 211100212222201 its reverse (102222212001112), we get a palindrome (313322424223313).

The spelling of 211100212222201 in words is "two hundred eleven trillion, one hundred billion, two hundred twelve million, two hundred twenty-two thousand, two hundred one".