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111030132121 = 983112950287
BaseRepresentation
bin110011101100111101…
…0010101110110011001
3101121120212210002222121
41213121322111312121
53304342203211441
6123001225021241
711010300360046
oct1473172256631
9347525702877
10111030132121
11430a6684677
1219627924821
13a615a5723c
145533d361cd
152d4c77bdd1
hex19d9e95d99

111030132121 has 4 divisors (see below), whose sum is σ = 111143083392. Its totient is φ = 110917180852.

The previous prime is 111030132119. The next prime is 111030132167. The reversal of 111030132121 is 121231030111.

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 111030132121 - 21 = 111030132119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111030132095 and 111030132104.

It is not an unprimeable number, because it can be changed into a prime (111030132721) 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, 56474161 + ... + 56476126.

It is an arithmetic number, because the mean of its divisors is an integer number (27785770848).

Almost surely, 2111030132121 is an apocalyptic number.

It is an amenable number.

111030132121 is a deficient number, since it is larger than the sum of its proper divisors (112951271).

111030132121 is an equidigital number, since it uses as much as digits as its factorization.

111030132121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112951270.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111030132121 its reverse (121231030111), we get a palindrome (232261162232).

The spelling of 111030132121 in words is "one hundred eleven billion, thirty million, one hundred thirty-two thousand, one hundred twenty-one".

Divisors: 1 983 112950287 111030132121