211010220012201 has 4 divisors (see below), whose sum is σ = 281346960016272. Its totient is φ = 140673480008132.

The previous prime is 211010220012181. The next prime is 211010220012203. The reversal of 211010220012201 is 102210022010112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 211010220012201 - 2¹⁹ = 211010219487913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211010220012203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35168370002031 + ... + 35168370002036.

It is an arithmetic number, because the mean of its divisors is an integer number (70336740004068).

Almost surely, 2^{211010220012201} is an apocalyptic number.

It is an amenable number.

211010220012201 is a deficient number, since it is larger than the sum of its proper divisors (70336740004071).

211010220012201 is an equidigital number, since it uses as much as digits as its factorization.

211010220012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70336740004070.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211010220012201 its reverse (102210022010112), we get a palindrome (313220242022313).

The spelling of 211010220012201 in words is "two hundred eleven trillion, ten billion, two hundred twenty million, twelve thousand, two hundred one".