Search a number
-
+
120111020122001 = 151795437219351
BaseRepresentation
bin11011010011110110000110…
…101100000001111110010001
3120202021111112111201120121212
4123103312012230001332101
5111220344332122401001
61103242124011225505
734204510022513216
oct3323660654017621
9522244474646555
10120111020122001
11352a8885631057
121157a3a1748295
13520356108a85c
14219359391bb0d
15dd456b0a67bb
hex6d3d86b01f91

120111020122001 has 4 divisors (see below), whose sum is σ = 120906457341504. Its totient is φ = 119315582902500.

The previous prime is 120111020121959. The next prime is 120111020122013. The reversal of 120111020122001 is 100221020111021.

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-120111020122001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120111020122061) 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, 397718609525 + ... + 397718609826.

It is an arithmetic number, because the mean of its divisors is an integer number (30226614335376).

Almost surely, 2120111020122001 is an apocalyptic number.

It is an amenable number.

120111020122001 is a deficient number, since it is larger than the sum of its proper divisors (795437219503).

120111020122001 is an equidigital number, since it uses as much as digits as its factorization.

120111020122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795437219502.

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

Adding to 120111020122001 its reverse (100221020111021), we get a palindrome (220332040233022).

The spelling of 120111020122001 in words is "one hundred twenty trillion, one hundred eleven billion, twenty million, one hundred twenty-two thousand, one".

Divisors: 1 151 795437219351 120111020122001