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111200214121 = 565119677971
BaseRepresentation
bin110011110010000001…
…1001001110001101001
3101122000201211011121221
41213210003021301221
53310214223322441
6123030142302041
711014434136663
oct1474403116151
9348021734557
10111200214121
1143183692807
1219674887921
13a642067989
14554c76b533
152d5c6768d1
hex19e40c9c69

111200214121 has 4 divisors (see below), whose sum is σ = 111219897744. Its totient is φ = 111180530500.

The previous prime is 111200214061. The next prime is 111200214127. The reversal of 111200214121 is 121412002111.

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 111200214121 - 29 = 111200213609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111200214095 and 111200214104.

It is not an unprimeable number, because it can be changed into a prime (111200214127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9833335 + ... + 9844636.

It is an arithmetic number, because the mean of its divisors is an integer number (27804974436).

Almost surely, 2111200214121 is an apocalyptic number.

It is an amenable number.

111200214121 is a deficient number, since it is larger than the sum of its proper divisors (19683623).

111200214121 is an equidigital number, since it uses as much as digits as its factorization.

111200214121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19683622.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111200214121 its reverse (121412002111), we get a palindrome (232612216232).

The spelling of 111200214121 in words is "one hundred eleven billion, two hundred million, two hundred fourteen thousand, one hundred twenty-one".

Divisors: 1 5651 19677971 111200214121