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112100010101 = 173647976937
BaseRepresentation
bin110100001100110101…
…1100110100001110101
3101201100102221112122222
41220121223212201311
53314040100310401
6123255324132125
711045641235612
oct1503153464165
9351312845588
10112100010101
11435a5595852
1219886097045
13a7565bc531
1455d6073509
152db1662c1b
hex1a19ae6875

112100010101 has 4 divisors (see below), whose sum is σ = 112747987212. Its totient is φ = 111452032992.

The previous prime is 112100010053. The next prime is 112100010107. The reversal of 112100010101 is 101010001211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101010001211 = 714430000173.

It can be written as a sum of positive squares in 2 ways, for example, as 94338051025 + 17761959076 = 307145^2 + 133274^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112100010101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112100010107) by changing a digit.

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, 323988296 + ... + 323988641.

It is an arithmetic number, because the mean of its divisors is an integer number (28186996803).

Almost surely, 2112100010101 is an apocalyptic number.

It is an amenable number.

112100010101 is a deficient number, since it is larger than the sum of its proper divisors (647977111).

112100010101 is an equidigital number, since it uses as much as digits as its factorization.

112100010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647977110.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 112100010101 its reverse (101010001211), we get a palindrome (213110011312).

The spelling of 112100010101 in words is "one hundred twelve billion, one hundred million, ten thousand, one hundred one".

Divisors: 1 173 647976937 112100010101