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112122211111 = 1725912545513
BaseRepresentation
bin110100001101100000…
…0010010101100100111
3101201101222201110201121
41220123000102230213
53314111241223421
6123301440034411
711046331032601
oct1503300225447
9351358643647
10112122211111
1143607079799
1219891602a07
13a75b093721
1455d8db2171
152db359ad41
hex1a1b012b27

112122211111 has 8 divisors (see below), whose sum is σ = 118763501184. Its totient is φ = 105486017280.

The previous prime is 112122211109. The next prime is 112122211121. The reversal of 112122211111 is 111112221211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 112122211111 - 21 = 112122211109 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 (112122211121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1228710 + ... + 1316803.

It is an arithmetic number, because the mean of its divisors is an integer number (14845437648).

Almost surely, 2112122211111 is an apocalyptic number.

112122211111 is a deficient number, since it is larger than the sum of its proper divisors (6641290073).

112122211111 is a wasteful number, since it uses less digits than its factorization.

112122211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548121.

The product of its digits is 16, while the sum is 16.

Adding to 112122211111 its reverse (111112221211), we get a palindrome (223234432322).

The spelling of 112122211111 in words is "one hundred twelve billion, one hundred twenty-two million, two hundred eleven thousand, one hundred eleven".

Divisors: 1 17 2591 44047 2545513 43273721 6595424183 112122211111