2002022111 has 4 divisors (see below), whose sum is σ = 2002243824. Its totient is φ = 2001800400.

The previous prime is 2002022069. The next prime is 2002022117. The reversal of 2002022111 is 1112202002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2002022111 - 2¹⁸ = 2001759967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002022092 and 2002022101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002022117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96710 + ... + 115571.

It is an arithmetic number, because the mean of its divisors is an integer number (500560956).

Almost surely, 2^2002022111 is an apocalyptic number.

2002022111 is a deficient number, since it is larger than the sum of its proper divisors (221713).

2002022111 is an equidigital number, since it uses as much as digits as its factorization.

2002022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221712.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2002022111 is about 44743.9617266956. The cubic root of 2002022111 is about 1260.3455235739.

Adding to 2002022111 its reverse (1112202002), we get a palindrome (3114224113).

The spelling of 2002022111 in words is "two billion, two million, twenty-two thousand, one hundred eleven".