212211212111202 has 8 divisors (see below), whose sum is σ = 424422424222416. Its totient is φ = 70737070703732.

The previous prime is 212211212111189. The next prime is 212211212111207. The reversal of 212211212111202 is 202111212112212.

It is a sphenic number, since it is the product of 3 distinct primes.

212211212111202 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (212211212111207) 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 3 ways as a sum of consecutive naturals, for example, 17684267675928 + ... + 17684267675939.

It is an arithmetic number, because the mean of its divisors is an integer number (53052803027802).

Almost surely, 2^{212211212111202} is an apocalyptic number.

212211212111202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212211212111202 is a wasteful number, since it uses less digits than its factorization.

212211212111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35368535351872.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 212211212111202 its reverse (202111212112212), we get a palindrome (414322424223414).

The spelling of 212211212111202 in words is "two hundred twelve trillion, two hundred eleven billion, two hundred twelve million, one hundred eleven thousand, two hundred two".