211121111210222 has 8 divisors (see below), whose sum is σ = 318431289284472. Its totient is φ = 104977348115400.

The previous prime is 211121111210213. The next prime is 211121111210327. The reversal of 211121111210222 is 222012111121112.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 211121111210194 and 211121111210203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291603744404 + ... + 291603745127.

It is an arithmetic number, because the mean of its divisors is an integer number (39803911160559).

Almost surely, 2^{211121111210222} is an apocalyptic number.

211121111210222 is a deficient number, since it is larger than the sum of its proper divisors (107310178074250).

211121111210222 is a wasteful number, since it uses less digits than its factorization.

211121111210222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583207489714.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 211121111210222 its reverse (222012111121112), we get a palindrome (433133222331334).

The spelling of 211121111210222 in words is "two hundred eleven trillion, one hundred twenty-one billion, one hundred eleven million, two hundred ten thousand, two hundred twenty-two".