2212111020210 has 256 divisors, whose sum is σ = 6715240326144. Its totient is φ = 453818806272.

The previous prime is 2212111020167. The next prime is 2212111020221. The reversal of 2212111020210 is 120201112122.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2212111020210.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 175044012 + ... + 175056648.

It is an arithmetic number, because the mean of its divisors is an integer number (26231407524).

Almost surely, 2^{2212111020210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212111020210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3357620163072).

2212111020210 is an abundant number, since it is smaller than the sum of its proper divisors (4503129305934).

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

2212111020210 is a wasteful number, since it uses less digits than its factorization.

2212111020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14437.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2212111020210 its reverse (120201112122), we get a palindrome (2332312132332).

It can be divided in two parts, 221211 and 1020210, that added together give a palindrome (1241421).

The spelling of 2212111020210 in words is "two trillion, two hundred twelve billion, one hundred eleven million, twenty thousand, two hundred ten".