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112201100210021 = 178762787409183
BaseRepresentation
bin11001100000101111011010…
…101110001010111101100101
3112201021022122120220202222212
4121200233122232022331211
5104201300323123210041
61034344250204133205
732430155600561204
oct3140573256127545
9481238576822885
10112201100210021
1132829245aa0259
12107013a9537205
134a7b697a7a134
141d9c7c2a6723b
15ce891c53c8eb
hex660bdab8af65

112201100210021 has 4 divisors (see below), whose sum is σ = 112263887620992. Its totient is φ = 112138312799052.

The previous prime is 112201100210011. The next prime is 112201100210033. The reversal of 112201100210021 is 120012001102211.

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 a de Polignac number, because none of the positive numbers 2k-112201100210021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112201100209978 and 112201100210005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112201100210011) 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, 31393702805 + ... + 31393706378.

It is an arithmetic number, because the mean of its divisors is an integer number (28065971905248).

Almost surely, 2112201100210021 is an apocalyptic number.

It is an amenable number.

112201100210021 is a deficient number, since it is larger than the sum of its proper divisors (62787410971).

112201100210021 is an equidigital number, since it uses as much as digits as its factorization.

112201100210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62787410970.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 112201100210021 its reverse (120012001102211), we get a palindrome (232213101312232).

The spelling of 112201100210021 in words is "one hundred twelve trillion, two hundred one billion, one hundred million, two hundred ten thousand, twenty-one".

Divisors: 1 1787 62787409183 112201100210021