212222122220110 has 32 divisors (see below), whose sum is σ = 382666956229440. Its totient is φ = 84740722203648.

The previous prime is 212222122220093. The next prime is 212222122220153. The reversal of 212222122220110 is 11022221222212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5634526 + ... + 21358654.

It is an arithmetic number, because the mean of its divisors is an integer number (11958342382170).

Almost surely, 2^{212222122220110} is an apocalyptic number.

212222122220110 is a deficient number, since it is larger than the sum of its proper divisors (170444834009330).

212222122220110 is a wasteful number, since it uses less digits than its factorization.

212222122220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15726492.

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

Adding to 212222122220110 its reverse (11022221222212), we get a palindrome (223244343442322).

The spelling of 212222122220110 in words is "two hundred twelve trillion, two hundred twenty-two billion, one hundred twenty-two million, two hundred twenty thousand, one hundred ten".