211201022201 has 16 divisors (see below), whose sum is σ = 235469203200. Its totient is φ = 188089059648.

The previous prime is 211201022171. The next prime is 211201022239. The reversal of 211201022201 is 102220102112.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211201022201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211201022251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284900 + ... + 709626.

It is an arithmetic number, because the mean of its divisors is an integer number (14716825200).

Almost surely, 2^211201022201 is an apocalyptic number.

It is an amenable number.

211201022201 is a deficient number, since it is larger than the sum of its proper divisors (24268180999).

211201022201 is a wasteful number, since it uses less digits than its factorization.

211201022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426088.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 211201022201 its reverse (102220102112), we get a palindrome (313421124313).

The spelling of 211201022201 in words is "two hundred eleven billion, two hundred one million, twenty-two thousand, two hundred one".