211211101010201 has 64 divisors (see below), whose sum is σ = 233398964843520. Its totient is φ = 190445133864960.

The previous prime is 211211101010197. The next prime is 211211101010209. The reversal of 211211101010201 is 102010101112112.

It is a cyclic number.

It is not a de Polignac number, because 211211101010201 - 2² = 211211101010197 is a prime.

It is a super-2 number, since 2×211211101010201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211211101010209) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5268009311 + ... + 5268049403.

It is an arithmetic number, because the mean of its divisors is an integer number (3646858825680).

Almost surely, 2^{211211101010201} is an apocalyptic number.

It is an amenable number.

211211101010201 is a deficient number, since it is larger than the sum of its proper divisors (22187863833319).

211211101010201 is a wasteful number, since it uses less digits than its factorization.

211211101010201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41314.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 211211101010201 its reverse (102010101112112), we get a palindrome (313221202122313).

The spelling of 211211101010201 in words is "two hundred eleven trillion, two hundred eleven billion, one hundred one million, ten thousand, two hundred one".