211222200210 has 64 divisors (see below), whose sum is σ = 581660642304. Its totient is φ = 48087000000.

The previous prime is 211222200187. The next prime is 211222200227. The reversal of 211222200210 is 12002222112.

211222200210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×211222200210² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 211222200210.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1950916 + ... + 2056335.

It is an arithmetic number, because the mean of its divisors is an integer number (9088447536).

Almost surely, 2^211222200210 is an apocalyptic number.

211222200210 is an abundant number, since it is smaller than the sum of its proper divisors (370438442094).

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

211222200210 is a wasteful number, since it uses less digits than its factorization.

211222200210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007519.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 211222200210 its reverse (12002222112), we get a palindrome (223224422322).

The spelling of 211222200210 in words is "two hundred eleven billion, two hundred twenty-two million, two hundred thousand, two hundred ten".