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2111000000201 = 10120900990101
BaseRepresentation
bin11110101110000001011…
…001111011011011001001
321110210212012221002201122
4132232001121323123021
5234041312000001301
64253440252125025
7305341355640011
oct36560131733311
97423765832648
102111000000201
117442a7514944
122a1161766775
131240b2c9b571
147425c7c0c41
1539da2ca681b
hex1eb8167b6c9

2111000000201 has 4 divisors (see below), whose sum is σ = 2131900990404. Its totient is φ = 2090099010000.

The previous prime is 2111000000167. The next prime is 2111000000273. The reversal of 2111000000201 is 1020000001112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 919103772601 + 1191896227600 = 958699^2 + 1091740^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111000000201 - 214 = 2110999983817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111000005201) 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, 10450494950 + ... + 10450495151.

It is an arithmetic number, because the mean of its divisors is an integer number (532975247601).

Almost surely, 22111000000201 is an apocalyptic number.

It is an amenable number.

2111000000201 is a deficient number, since it is larger than the sum of its proper divisors (20900990203).

2111000000201 is a wasteful number, since it uses less digits than its factorization.

2111000000201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20900990202.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 2111000000201 its reverse (1020000001112), we get a palindrome (3131000001313).

The spelling of 2111000000201 in words is "two trillion, one hundred eleven billion, two hundred one", and thus it is an aban number.

Divisors: 1 101 20900990101 2111000000201