2210121210210 has 16 divisors (see below), whose sum is σ = 5304290904576. Its totient is φ = 589365656048.

The previous prime is 2210121210169. The next prime is 2210121210217. The reversal of 2210121210210 is 120121210122.

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 2210121210210.

It is not an unprimeable number, because it can be changed into a prime (2210121210217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36835353474 + ... + 36835353533.

It is an arithmetic number, because the mean of its divisors is an integer number (331518181536).

Almost surely, 2^{2210121210210} is an apocalyptic number.

2210121210210 is an abundant number, since it is smaller than the sum of its proper divisors (3094169694366).

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

2210121210210 is a wasteful number, since it uses less digits than its factorization.

2210121210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73670707017.

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

Adding to 2210121210210 its reverse (120121210122), we get a palindrome (2330242420332).

The spelling of 2210121210210 in words is "two trillion, two hundred ten billion, one hundred twenty-one million, two hundred ten thousand, two hundred ten".