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2222120222111 = 15114716027961
BaseRepresentation
bin100000010101100000101…
…011111011110110011111
321212102200101020020200002
4200111200223323312133
5242401400234101421
64420454500124515
7316354132145366
oct40254053736637
97772611206602
102222120222111
11787439a31289
122ba7b369673b
131317115a956a
14797a06887dd
153cc083cbb0b
hex20560afbd9f

2222120222111 has 4 divisors (see below), whose sum is σ = 2236836250224. Its totient is φ = 2207404194000.

The previous prime is 2222120222093. The next prime is 2222120222129. The reversal of 2222120222111 is 1112220212222.

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

It is an interprime number because it is at equal distance from previous prime (2222120222093) and next prime (2222120222129).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2222120222111 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 (2222120222191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7358013830 + ... + 7358014131.

It is an arithmetic number, because the mean of its divisors is an integer number (559209062556).

Almost surely, 22222120222111 is an apocalyptic number.

2222120222111 is a deficient number, since it is larger than the sum of its proper divisors (14716028113).

2222120222111 is a wasteful number, since it uses less digits than its factorization.

2222120222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14716028112.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2222120222111 its reverse (1112220212222), we get a palindrome (3334340434333).

The spelling of 2222120222111 in words is "two trillion, two hundred twenty-two billion, one hundred twenty million, two hundred twenty-two thousand, one hundred eleven".

Divisors: 1 151 14716027961 2222120222111