212022221110 has 16 divisors (see below), whose sum is σ = 436159997856. Its totient is φ = 72693332928.

The previous prime is 212022221041. The next prime is 212022221119. The reversal of 212022221110 is 11122220212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212022221119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1514444367 + ... + 1514444506.

It is an arithmetic number, because the mean of its divisors is an integer number (27259999866).

Almost surely, 2^212022221110 is an apocalyptic number.

212022221110 is an abundant number, since it is smaller than the sum of its proper divisors (224137776746).

212022221110 is a wasteful number, since it uses less digits than its factorization.

212022221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028888887.

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

Adding to 212022221110 its reverse (11122220212), we get a palindrome (223144441322).

The spelling of 212022221110 in words is "two hundred twelve billion, twenty-two million, two hundred twenty-one thousand, one hundred ten".