212101022222110 has 64 divisors (see below), whose sum is σ = 439807456069632. Its totient is φ = 72141189722496.

The previous prime is 212101022222107. The next prime is 212101022222161. The reversal of 212101022222110 is 11222220101212.

It is a congruent number.

It is an unprimeable number.

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, 12155517 + ... + 23915656.

It is an arithmetic number, because the mean of its divisors is an integer number (6871991501088).

Almost surely, 2^{212101022222110} is an apocalyptic number.

212101022222110 is an abundant number, since it is smaller than the sum of its proper divisors (227706433847522).

212101022222110 is a wasteful number, since it uses less digits than its factorization.

212101022222110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36071857.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212101022222110 its reverse (11222220101212), we get a palindrome (223323242323322).

The spelling of 212101022222110 in words is "two hundred twelve trillion, one hundred one billion, twenty-two million, two hundred twenty-two thousand, one hundred ten".