Search a number
-
+
1001222110201 = 12715750214259
BaseRepresentation
bin11101001000111010111…
…11001111101111111001
310112201022220001001111211
432210131133033233321
5112401000330011301
62043542144323121
7132223134342355
oct16443537175771
93481286031454
101001222110201
11356685863425
121420633134a1
1373551531a81
1436660890465
151b09dbbd051
hexe91d7cfbf9

1001222110201 has 8 divisors (see below), whose sum is σ = 1015533194240. Its totient is φ = 987011455248.

The previous prime is 1001222110171. The next prime is 1001222110211. The reversal of 1001222110201 is 1020112221001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1001222110201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001222110211) 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, 25087191 + ... + 25127068.

It is an arithmetic number, because the mean of its divisors is an integer number (126941649280).

Almost surely, 21001222110201 is an apocalyptic number.

It is an amenable number.

1001222110201 is a deficient number, since it is larger than the sum of its proper divisors (14311084039).

1001222110201 is a wasteful number, since it uses less digits than its factorization.

1001222110201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50214543.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1001222110201 its reverse (1020112221001), we get a palindrome (2021334331202).

The spelling of 1001222110201 in words is "one trillion, one billion, two hundred twenty-two million, one hundred ten thousand, two hundred one".

Divisors: 1 127 157 19939 50214259 6377210893 7883638663 1001222110201