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111203320201 = 631176233471
BaseRepresentation
bin110011110010000111…
…1000000000110001001
3101122000221122222100221
41213210033000012021
53310221022221301
6123030333030041
711014502424421
oct1474417000611
9348027588327
10111203320201
1143185414416
1219675925321
13a6428b46ac
14554cd39481
152d5ca8bda1
hex19e43c0189

111203320201 has 4 divisors (see below), whose sum is σ = 111379554304. Its totient is φ = 111027086100.

The previous prime is 111203320199. The next prime is 111203320211. The reversal of 111203320201 is 102023302111.

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, and also an emirpimes, since its reverse is a distinct semiprime: 102023302111 = 850271199893.

It is a cyclic number.

It is not a de Polignac number, because 111203320201 - 21 = 111203320199 is a prime.

It is a super-2 number, since 2×1112033202012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111203320211) 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, 88116105 + ... + 88117366.

It is an arithmetic number, because the mean of its divisors is an integer number (27844888576).

Almost surely, 2111203320201 is an apocalyptic number.

It is an amenable number.

111203320201 is a deficient number, since it is larger than the sum of its proper divisors (176234103).

111203320201 is an equidigital number, since it uses as much as digits as its factorization.

111203320201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176234102.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 111203320201 its reverse (102023302111), we get a palindrome (213226622312).

The spelling of 111203320201 in words is "one hundred eleven billion, two hundred three million, three hundred twenty thousand, two hundred one".

Divisors: 1 631 176233471 111203320201