211113212221201 has 8 divisors (see below), whose sum is σ = 215136173689920. Its totient is φ = 207091720875312.

The previous prime is 211113212221189. The next prime is 211113212221213. The reversal of 211113212221201 is 102122212311112.

It is an interprime number because it is at equal distance from previous prime (211113212221189) and next prime (211113212221213).

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 211113212221201 - 2¹³ = 211113212213009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211113212221801) 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, 367240765 + ... + 367815178.

It is an arithmetic number, because the mean of its divisors is an integer number (26892021711240).

Almost surely, 2^{211113212221201} is an apocalyptic number.

It is an amenable number.

211113212221201 is a deficient number, since it is larger than the sum of its proper divisors (4022961468719).

211113212221201 is an equidigital number, since it uses as much as digits as its factorization.

211113212221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735061415.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 211113212221201 its reverse (102122212311112), we get a palindrome (313235424532313).

The spelling of 211113212221201 in words is "two hundred eleven trillion, one hundred thirteen billion, two hundred twelve million, two hundred twenty-one thousand, two hundred one".