210000211121222 has 8 divisors (see below), whose sum is σ = 333529747074936. Its totient is φ = 98823628762912.

The previous prime is 210000211121179. The next prime is 210000211121227. The reversal of 210000211121222 is 222121112000012.

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

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 210000211121222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210000211121227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3088238398808 + ... + 3088238398875.

It is an arithmetic number, because the mean of its divisors is an integer number (41691218384367).

Almost surely, 2^{210000211121222} is an apocalyptic number.

210000211121222 is a deficient number, since it is larger than the sum of its proper divisors (123529535953714).

210000211121222 is a wasteful number, since it uses less digits than its factorization.

210000211121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6176476797702.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210000211121222 its reverse (222121112000012), we get a palindrome (432121323121234).

The spelling of 210000211121222 in words is "two hundred ten trillion, two hundred eleven million, one hundred twenty-one thousand, two hundred twenty-two".