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11112001222 = 271137024021
BaseRepresentation
bin10100101100101001…
…11010111011000110
31001200102012011000211
422112110322323012
5140224133014342
65034344430034
7542236311010
oct122624727306
931612164024
1011112001222
114792486a93
1221a147831a
1310811b086a
14775b071b0
15450814c17
hex29653aec6

11112001222 has 16 divisors (see below), whose sum is σ = 19217724192. Its totient is φ = 4720141440.

The previous prime is 11112001217. The next prime is 11112001289. The reversal of 11112001222 is 22210021111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3510429 + ... + 3513592.

It is an arithmetic number, because the mean of its divisors is an integer number (1201107762).

Almost surely, 211112001222 is an apocalyptic number.

11112001222 is a deficient number, since it is larger than the sum of its proper divisors (8105722970).

11112001222 is a wasteful number, since it uses less digits than its factorization.

11112001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7024143.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11112001222 its reverse (22210021111), we get a palindrome (33322022333).

The spelling of 11112001222 in words is "eleven billion, one hundred twelve million, one thousand, two hundred twenty-two".

Divisors: 1 2 7 14 113 226 791 1582 7024021 14048042 49168147 98336294 793714373 1587428746 5556000611 11112001222