2002042111 has 4 divisors (see below), whose sum is σ = 2119809312. Its totient is φ = 1884274912.

The previous prime is 2002042051. The next prime is 2002042151. The reversal of 2002042111 is 1112402002.

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 2002042111 - 2⁷ = 2002041983 is a prime.

It is a super-2 number, since 2×2002042111² = 8016345228434672642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002042091 and 2002042100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002042151) 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, 58883575 + ... + 58883608.

It is an arithmetic number, because the mean of its divisors is an integer number (529952328).

Almost surely, 2^2002042111 is an apocalyptic number.

2002042111 is a deficient number, since it is larger than the sum of its proper divisors (117767201).

2002042111 is a wasteful number, since it uses less digits than its factorization.

2002042111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117767200.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2002042111 is about 44744.1852199814. The cubic root of 2002042111 is about 1260.3497204683.

Adding to 2002042111 its reverse (1112402002), we get a palindrome (3114444113).

The spelling of 2002042111 in words is "two billion, two million, forty-two thousand, one hundred eleven".