211423243212210 has 64 divisors (see below), whose sum is σ = 547735178868480. Its totient is φ = 52068652796160.

The previous prime is 211423243212143. The next prime is 211423243212229. The reversal of 211423243212210 is 12212342324112.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 31 ways as a sum of consecutive naturals, for example, 5282919601 + ... + 5282959620.

It is an arithmetic number, because the mean of its divisors is an integer number (8558362169820).

Almost surely, 2^{211423243212210} is an apocalyptic number.

211423243212210 is an abundant number, since it is smaller than the sum of its proper divisors (336311935656270).

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

211423243212210 is a wasteful number, since it uses less digits than its factorization.

211423243212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10565879283.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 211423243212210 its reverse (12212342324112), we get a palindrome (223635585536322).

The spelling of 211423243212210 in words is "two hundred eleven trillion, four hundred twenty-three billion, two hundred forty-three million, two hundred twelve thousand, two hundred ten".