211121202112222 has 8 divisors (see below), whose sum is σ = 318273169014000. Its totient is φ = 105030145774224.

The previous prime is 211121202112199. The next prime is 211121202112243. The reversal of 211121202112222 is 222211202121112.

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 = 211121202112193 and 211121202112202.

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, 265227640447 + ... + 265227641242.

It is an arithmetic number, because the mean of its divisors is an integer number (39784146126750).

Almost surely, 2^{211121202112222} is an apocalyptic number.

211121202112222 is a deficient number, since it is larger than the sum of its proper divisors (107151966901778).

211121202112222 is a wasteful number, since it uses less digits than its factorization.

211121202112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530455281890.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 211121202112222 its reverse (222211202121112), we get a palindrome (433332404233334).

The spelling of 211121202112222 in words is "two hundred eleven trillion, one hundred twenty-one billion, two hundred two million, one hundred twelve thousand, two hundred twenty-two".