211210000122204 has 36 divisors (see below), whose sum is σ = 533901275423880. Its totient is φ = 70402102956000.

The previous prime is 211210000122169. The next prime is 211210000122263. The reversal of 211210000122204 is 402221000012112.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49177759 + ... + 53299830.

Almost surely, 2^{211210000122204} is an apocalyptic number.

It is an amenable number.

211210000122204 is an abundant number, since it is smaller than the sum of its proper divisors (322691275301676).

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

211210000122204 is a wasteful number, since it uses less digits than its factorization.

211210000122204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102534850 (or 102534845 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 211210000122204 its reverse (402221000012112), we get a palindrome (613431000134316).

The spelling of 211210000122204 in words is "two hundred eleven trillion, two hundred ten billion, one hundred twenty-two thousand, two hundred four".