Search a number
-
+
120021110001101 = 206347581646983
BaseRepresentation
bin11011010010100010010111…
…101000001000110111001101
3120201221220110111222012110002
4123102202113220020313031
5111212411213130013401
61103132534201254045
734165144664216651
oct3322422750106715
9521856414865402
10120021110001101
1135273737719511
1211564a8aa94325
1351c7c32a7749a
14218d0a4938a61
15dd2057a80a6b
hex6d2897a08dcd

120021110001101 has 4 divisors (see below), whose sum is σ = 120021691854432. Its totient is φ = 120020528147772.

The previous prime is 120021110001071. The next prime is 120021110001151. The reversal of 120021110001101 is 101100011120021.

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-120021110001101 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 (120021110001151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290617145 + ... + 291029838.

It is an arithmetic number, because the mean of its divisors is an integer number (30005422963608).

Almost surely, 2120021110001101 is an apocalyptic number.

It is an amenable number.

120021110001101 is a deficient number, since it is larger than the sum of its proper divisors (581853331).

120021110001101 is an equidigital number, since it uses as much as digits as its factorization.

120021110001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581853330.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 120021110001101 its reverse (101100011120021), we get a palindrome (221121121121122).

The spelling of 120021110001101 in words is "one hundred twenty trillion, twenty-one billion, one hundred ten million, one thousand, one hundred one".

Divisors: 1 206347 581646983 120021110001101