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111221101102 = 259779930269
BaseRepresentation
bin110011110010101001…
…0110101001000101110
3101122002012010100011211
41213211102311020232
53310240100213402
6123032210105034
711015106521656
oct1474522651056
9348065110154
10111221101102
1143194459481
121967b87b17a
13a64649ba37
145551447366
152d5e4004d7
hex19e54b522e

111221101102 has 8 divisors (see below), whose sum is σ = 166834621800. Its totient is φ = 55609560504.

The previous prime is 111221101093. The next prime is 111221101133. The reversal of 111221101102 is 201101122111.

It is a happy number.

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

It is a super-2 number, since 2×1112211011022 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345577 + ... + 584692.

It is an arithmetic number, because the mean of its divisors is an integer number (20854327725).

Almost surely, 2111221101102 is an apocalyptic number.

111221101102 is a deficient number, since it is larger than the sum of its proper divisors (55613520698).

111221101102 is an equidigital number, since it uses as much as digits as its factorization.

111221101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990050.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111221101102 its reverse (201101122111), we get a palindrome (312322223213).

The spelling of 111221101102 in words is "one hundred eleven billion, two hundred twenty-one million, one hundred one thousand, one hundred two".

Divisors: 1 2 59779 119558 930269 1860538 55610550551 111221101102