212210122202211 has 64 divisors (see below), whose sum is σ = 329220068474880. Its totient is φ = 119084988896640.

The previous prime is 212210122202201. The next prime is 212210122202213. The reversal of 212210122202211 is 112202221012212.

It is not a de Polignac number, because 212210122202211 - 2⁹ = 212210122201699 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (212210122202213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2571984420 + ... + 2572066926.

It is an arithmetic number, because the mean of its divisors is an integer number (5144063569920).

Almost surely, 2^{212210122202211} is an apocalyptic number.

212210122202211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

212210122202211 is a deficient number, since it is larger than the sum of its proper divisors (117009946272669).

212210122202211 is a wasteful number, since it uses less digits than its factorization.

212210122202211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90904.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 212210122202211 its reverse (112202221012212), we get a palindrome (324412343214423).

The spelling of 212210122202211 in words is "two hundred twelve trillion, two hundred ten billion, one hundred twenty-two million, two hundred two thousand, two hundred eleven".