211100012222201 has 8 divisors (see below), whose sum is σ = 212420956140000. Its totient is φ = 209780641796320.

The previous prime is 211100012222137. The next prime is 211100012222219. The reversal of 211100012222201 is 102222210001112.

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 211100012222201 - 2⁶ = 211100012222137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 211100012222201.

It is not an unprimeable number, because it can be changed into a prime (211100012222261) 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, 393103820 + ... + 393640461.

It is an arithmetic number, because the mean of its divisors is an integer number (26552619517500).

Almost surely, 2^{211100012222201} is an apocalyptic number.

It is an amenable number.

211100012222201 is a deficient number, since it is larger than the sum of its proper divisors (1320943917799).

211100012222201 is a wasteful number, since it uses less digits than its factorization.

211100012222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786745959.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211100012222201 its reverse (102222210001112), we get a palindrome (313322222223313).

The spelling of 211100012222201 in words is "two hundred eleven trillion, one hundred billion, twelve million, two hundred twenty-two thousand, two hundred one".