2122222000111 has 4 divisors (see below), whose sum is σ = 2143234099224. Its totient is φ = 2101209901000.

The previous prime is 2122222000103. The next prime is 2122222000127. The reversal of 2122222000111 is 1110002222212.

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 2122222000111 - 2³ = 2122222000103 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 (2122222001111) 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, 10506049405 + ... + 10506049606.

It is an arithmetic number, because the mean of its divisors is an integer number (535808524806).

Almost surely, 2^{2122222000111} is an apocalyptic number.

2122222000111 is a deficient number, since it is larger than the sum of its proper divisors (21012099113).

2122222000111 is a wasteful number, since it uses less digits than its factorization.

2122222000111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21012099112.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2122222000111 its reverse (1110002222212), we get a palindrome (3232224222323).

The spelling of 2122222000111 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred eleven", and thus it is an aban number.