212101010122210 has 64 divisors (see below), whose sum is σ = 422288666448768. Its totient is φ = 76059760000000.

The previous prime is 212101010122171. The next prime is 212101010122237. The reversal of 212101010122210 is 12221010101212.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35241271 + ... + 40818490.

It is an arithmetic number, because the mean of its divisors is an integer number (6598260413262).

Almost surely, 2^{212101010122210} is an apocalyptic number.

212101010122210 is a deficient number, since it is larger than the sum of its proper divisors (210187656326558).

212101010122210 is a wasteful number, since it uses less digits than its factorization.

212101010122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76060131.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212101010122210 its reverse (12221010101212), we get a palindrome (224322020223422).

The spelling of 212101010122210 in words is "two hundred twelve trillion, one hundred one billion, ten million, one hundred twenty-two thousand, two hundred ten".