212210020102211 has 4 divisors (see below), whose sum is σ = 212210458482672. Its totient is φ = 212209581721752.

The previous prime is 212210020102207. The next prime is 212210020102217. The reversal of 212210020102211 is 112201020012212.

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

It is a cyclic number.

It is not a de Polignac number, because 212210020102211 - 2² = 212210020102207 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 212210020102211.

It is not an unprimeable number, because it can be changed into a prime (212210020102217) 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, 218463311 + ... + 219432536.

It is an arithmetic number, because the mean of its divisors is an integer number (53052614620668).

Almost surely, 2^{212210020102211} is an apocalyptic number.

212210020102211 is a deficient number, since it is larger than the sum of its proper divisors (438380461).

212210020102211 is an equidigital number, since it uses as much as digits as its factorization.

212210020102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438380460.

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

Adding to 212210020102211 its reverse (112201020012212), we get a palindrome (324411040114423).

The spelling of 212210020102211 in words is "two hundred twelve trillion, two hundred ten billion, twenty million, one hundred two thousand, two hundred eleven".