211121320112201 has 8 divisors (see below), whose sum is σ = 214756924561800. Its totient is φ = 207491347895040.

The previous prime is 211121320112167. The next prime is 211121320112203. The reversal of 211121320112201 is 102211023121112.

It can be written as a sum of positive squares in 4 ways, for example, as 107616660084025 + 103504660028176 = 10373845^2 + 10173724^2 .

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 211121320112201 - 2¹⁸ = 211121319850057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211121320112203) 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, 1407982496 + ... + 1408132433.

It is an arithmetic number, because the mean of its divisors is an integer number (26844615570225).

Almost surely, 2^{211121320112201} is an apocalyptic number.

It is an amenable number.

211121320112201 is a deficient number, since it is larger than the sum of its proper divisors (3635604449599).

211121320112201 is a wasteful number, since it uses less digits than its factorization.

211121320112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816116219.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 211121320112201 its reverse (102211023121112), we get a palindrome (313332343233313).

The spelling of 211121320112201 in words is "two hundred eleven trillion, one hundred twenty-one billion, three hundred twenty million, one hundred twelve thousand, two hundred one".