2102102212210 has 128 divisors (see below), whose sum is σ = 5085679302144. Its totient is φ = 604163266560.

The previous prime is 2102102212193. The next prime is 2102102212213. The reversal of 2102102212210 is 122122012012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2102102212213) 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, 9429352 + ... + 9649708.

It is an arithmetic number, because the mean of its divisors is an integer number (39731869548).

Almost surely, 2^{2102102212210} is an apocalyptic number.

2102102212210 is an abundant number, since it is smaller than the sum of its proper divisors (2983577089934).

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

2102102212210 is a wasteful number, since it uses less digits than its factorization.

2102102212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221348.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2102102212210 its reverse (122122012012), we get a palindrome (2224224224222).

The spelling of 2102102212210 in words is "two trillion, one hundred two billion, one hundred two million, two hundred twelve thousand, two hundred ten".