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111012122213 = 239464485867
BaseRepresentation
bin110011101100011010…
…1101000111001100101
3101121112121220010000222
41213120311220321211
53304323100402323
6122555343014125
711006661320036
oct1473065507145
9347477803028
10111012122213
11430974a3553
121962189a345
13a6120bc8a5
1455317a8a8d
152d4adc09c8
hex19d8d68e65

111012122213 has 4 divisors (see below), whose sum is σ = 111476608320. Its totient is φ = 110547636108.

The previous prime is 111012122141. The next prime is 111012122227. The reversal of 111012122213 is 312221210111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111012122213 - 222 = 111007927909 is a prime.

It is a super-3 number, since 3×1110121222133 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111012122191 and 111012122200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111012122113) 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, 232242695 + ... + 232243172.

It is an arithmetic number, because the mean of its divisors is an integer number (27869152080).

Almost surely, 2111012122213 is an apocalyptic number.

It is an amenable number.

111012122213 is a deficient number, since it is larger than the sum of its proper divisors (464486107).

111012122213 is an equidigital number, since it uses as much as digits as its factorization.

111012122213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464486106.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 111012122213 its reverse (312221210111), we get a palindrome (423233332324).

The spelling of 111012122213 in words is "one hundred eleven billion, twelve million, one hundred twenty-two thousand, two hundred thirteen".

Divisors: 1 239 464485867 111012122213