2000211111 has 24 divisors (see below), whose sum is σ = 3127461360. Its totient is φ = 1263285072.

The previous prime is 2000211067. The next prime is 2000211119. The reversal of 2000211111 is 1111120002.

It is a happy number.

It is not a de Polignac number, because 2000211111 - 2¹⁴ = 2000194727 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 = 2000211093 and 2000211102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000211119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92860 + ... + 112353.

It is an arithmetic number, because the mean of its divisors is an integer number (130310890).

Almost surely, 2^2000211111 is an apocalyptic number.

2000211111 is a deficient number, since it is larger than the sum of its proper divisors (1127250249).

2000211111 is a wasteful number, since it uses less digits than its factorization.

2000211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205260 (or 205235 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 2000211111 is about 44723.7197804476. The cubic root of 2000211111 is about 1259.9653788673.

Adding to 2000211111 its reverse (1111120002), we get a palindrome (3111331113).

It can be divided in two parts, 20002 and 11111, that multiplied together give a palindrome (222242222).

The spelling of 2000211111 in words is "two billion, two hundred eleven thousand, one hundred eleven".