2042222222111 has 4 divisors (see below), whose sum is σ = 2044616387352. Its totient is φ = 2039828056872.

The previous prime is 2042222222087. The next prime is 2042222222129. The reversal of 2042222222111 is 1112222222402.

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 2042222222111 - 2²⁶ = 2042155113247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042222222611) 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, 1197081341 + ... + 1197083046.

It is an arithmetic number, because the mean of its divisors is an integer number (511154096838).

Almost surely, 2^{2042222222111} is an apocalyptic number.

2042222222111 is a deficient number, since it is larger than the sum of its proper divisors (2394165241).

2042222222111 is an equidigital number, since it uses as much as digits as its factorization.

2042222222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394165240.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 2042222222111 its reverse (1112222222402), we get a palindrome (3154444444513).

The spelling of 2042222222111 in words is "two trillion, forty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred eleven".