201022212100211 has 4 divisors (see below), whose sum is σ = 201087755700312. Its totient is φ = 200956668500112.

The previous prime is 201022212100189. The next prime is 201022212100223. The reversal of 201022212100211 is 112001212220102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201022212100211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201022212100211.

It is not an unprimeable number, because it can be changed into a prime (201022212100231) 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, 32771795450 + ... + 32771801583.

It is an arithmetic number, because the mean of its divisors is an integer number (50271938925078).

Almost surely, 2^{201022212100211} is an apocalyptic number.

201022212100211 is a deficient number, since it is larger than the sum of its proper divisors (65543600101).

201022212100211 is an equidigital number, since it uses as much as digits as its factorization.

201022212100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65543600100.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201022212100211 its reverse (112001212220102), we get a palindrome (313023424320313).

The spelling of 201022212100211 in words is "two hundred one trillion, twenty-two billion, two hundred twelve million, one hundred thousand, two hundred eleven".