Search a number
-
+
2111021000201 = 4951426382751
BaseRepresentation
bin11110101110000010101…
…010000010011000001001
321110210220200110000022102
4132232002222002120021
5234041332334001301
64253442322203145
7305342032302341
oct36560252023011
97423820400272
102111021000201
11744308358513
122a11687b34b5
131240b7441bb9
14742614c9d21
1539da4a53b6b
hex1eb82a82609

2111021000201 has 4 divisors (see below), whose sum is σ = 2111447387904. Its totient is φ = 2110594612500.

The previous prime is 2111021000191. The next prime is 2111021000267. The reversal of 2111021000201 is 1020001201112.

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 2111021000201 - 226 = 2110953891337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111021000281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213186425 + ... + 213196326.

It is an arithmetic number, because the mean of its divisors is an integer number (527861846976).

Almost surely, 22111021000201 is an apocalyptic number.

It is an amenable number.

2111021000201 is a deficient number, since it is larger than the sum of its proper divisors (426387703).

2111021000201 is an equidigital number, since it uses as much as digits as its factorization.

2111021000201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426387702.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2111021000201 its reverse (1020001201112), we get a palindrome (3131022201313).

The spelling of 2111021000201 in words is "two trillion, one hundred eleven billion, twenty-one million, two hundred one", and thus it is an aban number.

Divisors: 1 4951 426382751 2111021000201