Search a number
-
+
2211201202001 = 11201018291091
BaseRepresentation
bin100000001011010101110…
…111001011011101010001
321211101111102011112221212
4200023111313023131101
5242212020001431001
64411451203425505
7315516425046461
oct40132567133521
97741442145855
102211201202001
11782846483920
122b8666985295
1313069139630c
1479046457ba1
153c7b99d67bb
hex202d5dcb751

2211201202001 has 4 divisors (see below), whose sum is σ = 2412219493104. Its totient is φ = 2010182910900.

The previous prime is 2211201201967. The next prime is 2211201202009. The reversal of 2211201202001 is 1002021021122.

2211201202001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 2211201202001 - 214 = 2211201185617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211201202009) 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, 100509145535 + ... + 100509145556.

It is an arithmetic number, because the mean of its divisors is an integer number (603054873276).

Almost surely, 22211201202001 is an apocalyptic number.

It is an amenable number.

2211201202001 is a deficient number, since it is larger than the sum of its proper divisors (201018291103).

2211201202001 is a wasteful number, since it uses less digits than its factorization.

2211201202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201018291102.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2211201202001 its reverse (1002021021122), we get a palindrome (3213222223123).

The spelling of 2211201202001 in words is "two trillion, two hundred eleven billion, two hundred one million, two hundred two thousand, one".

Divisors: 1 11 201018291091 2211201202001