211102012221201 has 12 divisors (see below), whose sum is σ = 310093351286160. Its totient is φ = 138349341342360.

The previous prime is 211102012221109. The next prime is 211102012221229. The reversal of 211102012221201 is 102122210201112.

211102012221201 is a `hidden beast` number, since 211 + 1 + 0 + 20 + 12 + 221 + 201 = 666.

It is not a de Polignac number, because 211102012221201 - 2¹³ = 211102012213009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211102012229201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198777788755 + ... + 198777789816.

It is an arithmetic number, because the mean of its divisors is an integer number (25841112607180).

Almost surely, 2^{211102012221201} is an apocalyptic number.

It is an amenable number.

211102012221201 is a deficient number, since it is larger than the sum of its proper divisors (98991339064959).

211102012221201 is a wasteful number, since it uses less digits than its factorization.

211102012221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397555578636 (or 397555578633 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 211102012221201 its reverse (102122210201112), we get a palindrome (313224222422313).

The spelling of 211102012221201 in words is "two hundred eleven trillion, one hundred two billion, twelve million, two hundred twenty-one thousand, two hundred one".