2000022111 has 20 divisors (see below), whose sum is σ = 2997270672. Its totient is φ = 1329071328.

The previous prime is 2000022097. The next prime is 2000022119. The reversal of 2000022111 is 1112200002.

It is not a de Polignac number, because 2000022111 - 2⁷ = 2000021983 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 = 2000022093 and 2000022102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000022119) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14091 + ... + 64796.

Almost surely, 2^2000022111 is an apocalyptic number.

2000022111 is a deficient number, since it is larger than the sum of its proper divisors (997248561).

2000022111 is an equidigital number, since it uses as much as digits as its factorization.

2000022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79212 (or 79203 counting only the distinct ones).

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

The square root of 2000022111 is about 44721.6067578078. The cubic root of 2000022111 is about 1259.9256928968.

Adding to 2000022111 its reverse (1112200002), we get a palindrome (3112222113).

The spelling of 2000022111 in words is "two billion, twenty-two thousand, one hundred eleven".