2101212022210 has 32 divisors (see below), whose sum is σ = 4323409183872. Its totient is φ = 720262903680.

The previous prime is 2101212022187. The next prime is 2101212022219. The reversal of 2101212022210 is 122202121012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2101212022219) 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 15 ways as a sum of consecutive naturals, for example, 2847171 + ... + 3508390.

It is an arithmetic number, because the mean of its divisors is an integer number (135106536996).

Almost surely, 2^{2101212022210} is an apocalyptic number.

2101212022210 is an abundant number, since it is smaller than the sum of its proper divisors (2222197161662).

2101212022210 is a wasteful number, since it uses less digits than its factorization.

2101212022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6360298.

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

Adding to 2101212022210 its reverse (122202121012), we get a palindrome (2223414143222).

The spelling of 2101212022210 in words is "two trillion, one hundred one billion, two hundred twelve million, twenty-two thousand, two hundred ten".