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112021011121 = 163953721139
BaseRepresentation
bin110100001010011111…
…0001111101010110001
3101201010221021222102211
41220110332033222301
53313404334323441
6123243423012121
711043661612105
oct1502476175261
9351127258384
10112021011121
1143564a38738
121986373a041
13a74311c986
1455c978b905
152da975aa81
hex1a14f8fab1

112021011121 has 8 divisors (see below), whose sum is σ = 112826679840. Its totient is φ = 111216786912.

The previous prime is 112021011119. The next prime is 112021011149. The reversal of 112021011121 is 121110120211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112021011121 - 21 = 112021011119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112021011101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205231 + ... + 515908.

It is an arithmetic number, because the mean of its divisors is an integer number (14103334980).

Almost surely, 2112021011121 is an apocalyptic number.

It is an amenable number.

112021011121 is a deficient number, since it is larger than the sum of its proper divisors (805668719).

112021011121 is an equidigital number, since it uses as much as digits as its factorization.

112021011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722255.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 112021011121 its reverse (121110120211), we get a palindrome (233131131332).

The spelling of 112021011121 in words is "one hundred twelve billion, twenty-one million, eleven thousand, one hundred twenty-one".

Divisors: 1 163 953 155339 721139 117545657 687245467 112021011121