201210111022211 has 2 divisors, whose sum is σ = 201210111022212. Its totient is φ = 201210111022210.

The previous prime is 201210111022189. The next prime is 201210111022231. The reversal of 201210111022211 is 112220111012102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201210111022211 - 2¹⁸ = 201210110760067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201210111022211.

It is not a weakly prime, because it can be changed into another prime (201210111022231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100605055511105 + 100605055511106.

It is an arithmetic number, because the mean of its divisors is an integer number (100605055511106).

Almost surely, 2^{201210111022211} is an apocalyptic number.

201210111022211 is a deficient number, since it is larger than the sum of its proper divisors (1).

201210111022211 is an equidigital number, since it uses as much as digits as its factorization.

201210111022211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 201210111022211 its reverse (112220111012102), we get a palindrome (313430222034313).

The spelling of 201210111022211 in words is "two hundred one trillion, two hundred ten billion, one hundred eleven million, twenty-two thousand, two hundred eleven".