212022222111 has 16 divisors (see below), whose sum is σ = 358979424000. Its totient is φ = 121155555384.

The previous prime is 212022222107. The next prime is 212022222119. The reversal of 212022222111 is 111222220212.

It is a happy number.

212022222111 is a `hidden beast` number, since 212 + 0 + 222 + 221 + 11 = 666.

It is not a de Polignac number, because 212022222111 - 2² = 212022222107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212022222119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 560905161 + ... + 560905538.

It is an arithmetic number, because the mean of its divisors is an integer number (22436214000).

Almost surely, 2^212022222111 is an apocalyptic number.

212022222111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

212022222111 is a deficient number, since it is larger than the sum of its proper divisors (146957201889).

212022222111 is a wasteful number, since it uses less digits than its factorization.

212022222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121810715 (or 1121810709 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 212022222111 its reverse (111222220212), we get a palindrome (323244442323).

The spelling of 212022222111 in words is "two hundred twelve billion, twenty-two million, two hundred twenty-two thousand, one hundred eleven".