212222202122110 has 64 divisors (see below), whose sum is σ = 401968789747200. Its totient is φ = 80559152893440.

The previous prime is 212222202122033. The next prime is 212222202122251. The reversal of 212222202122110 is 11221202222212.

It is a congruent number.

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, 28708384 + ... + 35335756.

It is an arithmetic number, because the mean of its divisors is an integer number (6280762339800).

Almost surely, 2^{212222202122110} is an apocalyptic number.

212222202122110 is a deficient number, since it is larger than the sum of its proper divisors (189746587625090).

212222202122110 is a wasteful number, since it uses less digits than its factorization.

212222202122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6629413.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 212222202122110 its reverse (11221202222212), we get a palindrome (223443404344322).

The spelling of 212222202122110 in words is "two hundred twelve trillion, two hundred twenty-two billion, two hundred two million, one hundred twenty-two thousand, one hundred ten".