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120100000111001 = 432856727745903
BaseRepresentation
bin11011010011101011110101…
…110110000001100110011001
3120202020110002111122000110022
4123103223311312001212121
5111220204300012023001
61103233102310200225
734203636651124241
oct3323536566014631
9522213074560408
10120100000111001
11352a4140075749
1211578227053075
1352024c5c77aa1
142192c2a11cb21
15dd41238b311b
hex6d3af5d81999

120100000111001 has 4 divisors (see below), whose sum is σ = 120100032185472. Its totient is φ = 120099968036532.

The previous prime is 120100000110971. The next prime is 120100000111019. The reversal of 120100000111001 is 100111000001021.

It is a happy number.

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-120100000111001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120100000111001.

It is not an unprimeable number, because it can be changed into a prime (120100000117001) 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, 9544385 + ... + 18201518.

It is an arithmetic number, because the mean of its divisors is an integer number (30025008046368).

Almost surely, 2120100000111001 is an apocalyptic number.

It is an amenable number.

120100000111001 is a deficient number, since it is larger than the sum of its proper divisors (32074471).

120100000111001 is an equidigital number, since it uses as much as digits as its factorization.

120100000111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32074470.

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

Adding to 120100000111001 its reverse (100111000001021), we get a palindrome (220211000112022).

The spelling of 120100000111001 in words is "one hundred twenty trillion, one hundred billion, one hundred eleven thousand, one".

Divisors: 1 4328567 27745903 120100000111001