211203212122222 has 8 divisors (see below), whose sum is σ = 321266857876272. Its totient is φ = 104114259496800.

The previous prime is 211203212122207. The next prime is 211203212122267. The reversal of 211203212122222 is 222221212302112.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 743673281979 + ... + 743673282262.

It is an arithmetic number, because the mean of its divisors is an integer number (40158357234534).

Almost surely, 2^{211203212122222} is an apocalyptic number.

211203212122222 is a deficient number, since it is larger than the sum of its proper divisors (110063645754050).

211203212122222 is a wasteful number, since it uses less digits than its factorization.

211203212122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487346564314.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 211203212122222 its reverse (222221212302112), we get a palindrome (433424424424334).

The spelling of 211203212122222 in words is "two hundred eleven trillion, two hundred three billion, two hundred twelve million, one hundred twenty-two thousand, two hundred twenty-two".