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112100002010001 = 3212455555778889
BaseRepresentation
bin11001011111010001010000…
…110011001001001110010001
3112200220122200212211002112100
4121133101100303021032101
5104143121301003310001
61034230010250551013
732416646360214315
oct3137212063111621
9480818625732470
10112100002010001
113279a38676a235
12106a5893a38469
134a71ca589a0c5
141d97951c15b45
15ce5ea1bc5586
hex65f450cc9391

112100002010001 has 6 divisors (see below), whose sum is σ = 161922225125570. Its totient is φ = 74733334673328.

The previous prime is 112100002009927. The next prime is 112100002010011. The reversal of 112100002010001 is 100010200001211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 77185800947025 + 34914201062976 = 8785545^2 + 5908824^2 .

It is not a de Polignac number, because 112100002010001 - 213 = 112100002001809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 12455555778889 = 112100002010001 / (1 + 1 + 2 + 1 + 0 + 0 + 0 + 0 + 2 + 0 + 1 + 0 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112100002010011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6227777889436 + ... + 6227777889453.

Almost surely, 2112100002010001 is an apocalyptic number.

It is an amenable number.

112100002010001 is a deficient number, since it is larger than the sum of its proper divisors (49822223115569).

112100002010001 is a wasteful number, since it uses less digits than its factorization.

112100002010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12455555778895 (or 12455555778892 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 112100002010001 its reverse (100010200001211), we get a palindrome (212110202011212).

The spelling of 112100002010001 in words is "one hundred twelve trillion, one hundred billion, two million, ten thousand, one".

Divisors: 1 3 9 12455555778889 37366667336667 112100002010001