Search a number
-
+
2101000111211 is a prime number
BaseRepresentation
bin11110100100101101010…
…111011000010001101011
321102212001022101002212202
4132210231113120101223
5233410322012024321
64245104111530415
7304535512166501
oct36445527302153
97385038332782
102101000111211
11740035876281
1229b230829a0b
1312317b31c7a1
147399068a671
15399b9e1b70b
hex1e92d5d846b

2101000111211 has 2 divisors, whose sum is σ = 2101000111212. Its totient is φ = 2101000111210.

The previous prime is 2101000111169. The next prime is 2101000111241. The reversal of 2101000111211 is 1121110001012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2101000111211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2101000111192 and 2101000111201.

It is not a weakly prime, because it can be changed into another prime (2101000111241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050500055605 + 1050500055606.

It is an arithmetic number, because the mean of its divisors is an integer number (1050500055606).

Almost surely, 22101000111211 is an apocalyptic number.

2101000111211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101000111211 is an equidigital number, since it uses as much as digits as its factorization.

2101000111211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 2101000111211 its reverse (1121110001012), we get a palindrome (3222110112223).

The spelling of 2101000111211 in words is "two trillion, one hundred one billion, one hundred eleven thousand, two hundred eleven".