2022111 has 32 divisors (see below), whose sum is σ = 3691520. Its totient is φ = 1065312.

The previous prime is 2022103. The next prime is 2022149. The reversal of 2022111 is 1112202.

It is not a de Polignac number, because 2022111 - 2³ = 2022103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2022093 and 2022102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2046 + ... + 2868.

It is an arithmetic number, because the mean of its divisors is an integer number (115360).

2^2022111 is an apocalyptic number.

2022111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2022111 is a deficient number, since it is larger than the sum of its proper divisors (1669409).

2022111 is a wasteful number, since it uses less digits than its factorization.

2022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852 (or 846 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2022111 is about 1422.0094936392. The cubic root of 2022111 is about 126.4547062974.

Adding to 2022111 its reverse (1112202), we get a palindrome (3134313).

Subtracting from 2022111 its reverse (1112202), we obtain a palindrome (909909).

The spelling of 2022111 in words is "two million, twenty-two thousand, one hundred eleven".