Search a number
-
+
2111021111201 = 131121313284967
BaseRepresentation
bin11110101110000010101…
…010011101011110100001
321110210220200122122120112
4132232002222131132201
5234041332401024301
64253442324421105
7305342033244062
oct36560252353641
97423820578515
102111021111201
11744308423952
122a1168847795
131240b7480592
1474261518569
1539da4a769bb
hex1eb82a9d7a1

2111021111201 has 8 divisors (see below), whose sum is σ = 2128889552064. Its totient is φ = 2093179242960.

The previous prime is 2111021111189. The next prime is 2111021111233. The reversal of 2111021111201 is 1021111201112.

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

It is a cyclic number.

It is not a de Polignac number, because 2111021111201 - 238 = 1836143204257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111021131201) 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, 6483581 + ... + 6801386.

It is an arithmetic number, because the mean of its divisors is an integer number (266111194008).

Almost surely, 22111021111201 is an apocalyptic number.

It is an amenable number.

2111021111201 is a deficient number, since it is larger than the sum of its proper divisors (17868440863).

2111021111201 is a wasteful number, since it uses less digits than its factorization.

2111021111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13286311.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 2111021111201 its reverse (1021111201112), we get a palindrome (3132132312313).

It can be divided in two parts, 2111021 and 111201, that added together give a palindrome (2222222).

The spelling of 2111021111201 in words is "two trillion, one hundred eleven billion, twenty-one million, one hundred eleven thousand, two hundred one".

Divisors: 1 131 1213 158903 13284967 1740330677 16114664971 2111021111201