211112102221201 has 4 divisors (see below), whose sum is σ = 211114955200000. Its totient is φ = 211109249242404.

The previous prime is 211112102221187. The next prime is 211112102221249. The reversal of 211112102221201 is 102122201211112.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 211112102221201 - 2¹⁹ = 211112101696913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211112102221271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1426378401 + ... + 1426526398.

It is an arithmetic number, because the mean of its divisors is an integer number (52778738800000).

Almost surely, 2^{211112102221201} is an apocalyptic number.

It is an amenable number.

211112102221201 is a deficient number, since it is larger than the sum of its proper divisors (2852978799).

211112102221201 is an equidigital number, since it uses as much as digits as its factorization.

211112102221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2852978798.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 211112102221201 its reverse (102122201211112), we get a palindrome (313234303432313).

The spelling of 211112102221201 in words is "two hundred eleven trillion, one hundred twelve billion, one hundred two million, two hundred twenty-one thousand, two hundred one".