2102222020210 has 64 divisors (see below), whose sum is σ = 4318416154080. Its totient is φ = 731160299520.

The previous prime is 2102222020189. The next prime is 2102222020219. The reversal of 2102222020210 is 120202222012.

It can be written as a sum of positive squares in 16 ways, for example, as 56203607329 + 2046018412881 = 237073^2 + 1430391^2 .

It is not an unprimeable number, because it can be changed into a prime (2102222020219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6645657 + ... + 6954796.

Almost surely, 2^{2102222020210} is an apocalyptic number.

2102222020210 is an abundant number, since it is smaller than the sum of its proper divisors (2216194133870).

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

2102222020210 is a wasteful number, since it uses less digits than its factorization.

2102222020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13600543.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2102222020210 its reverse (120202222012), we get a palindrome (2222424242222).

The spelling of 2102222020210 in words is "two trillion, one hundred two billion, two hundred twenty-two million, twenty thousand, two hundred ten".