2100222210210 has 128 divisors (see below), whose sum is σ = 5154963959808. Its totient is φ = 547493856000.

The previous prime is 2100222210161. The next prime is 2100222210217. The reversal of 2100222210210 is 120122220012.

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 2100222210210.

It is not an unprimeable number, because it can be changed into a prime (2100222210217) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 164188915 + ... + 164201705.

It is an arithmetic number, because the mean of its divisors is an integer number (40273155936).

Almost surely, 2^{2100222210210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2100222210210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2577481979904).

2100222210210 is an abundant number, since it is smaller than the sum of its proper divisors (3054741749598).

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

2100222210210 is a wasteful number, since it uses less digits than its factorization.

2100222210210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13520.

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

Adding to 2100222210210 its reverse (120122220012), we get a palindrome (2220344430222).

The spelling of 2100222210210 in words is "two trillion, one hundred billion, two hundred twenty-two million, two hundred ten thousand, two hundred ten".