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111112020202 = 2281197708221
BaseRepresentation
bin110011101111011001…
…0101110000011101010
3101121210120212110022111
41213132302232003222
53310024134121302
6123013312112534
711012313405601
oct1473662560352
9347716773274
10111112020202
1143138925377
121964b23574a
13a6299c8b21
145540b70a38
152d54a550d7
hex19decae0ea

111112020202 has 8 divisors (see below), whose sum is σ = 167261155812. Its totient is φ = 55358301600.

The previous prime is 111112020199. The next prime is 111112020203. The reversal of 111112020202 is 202020211111.

It can be written as a sum of positive squares in 2 ways, for example, as 111062894121 + 49126081 = 333261^2 + 7009^2 .

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

It is a super-2 number, since 2×1111120202022 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111112020203) 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, 98853549 + ... + 98854672.

Almost surely, 2111112020202 is an apocalyptic number.

111112020202 is a deficient number, since it is larger than the sum of its proper divisors (56149135610).

111112020202 is a wasteful number, since it uses less digits than its factorization.

111112020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197708504.

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

Adding to 111112020202 its reverse (202020211111), we get a palindrome (313132231313).

It can be divided in two parts, 11111 and 2020202, that multiplied together give a palindrome (22446464422).

The spelling of 111112020202 in words is "one hundred eleven billion, one hundred twelve million, twenty thousand, two hundred two".

Divisors: 1 2 281 562 197708221 395416442 55556010101 111112020202