Search a number
-
+
2121101083 is a prime number
BaseRepresentation
bin111111001101101…
…0110111100011011
312110211020002200101
41332123112330123
513321000213313
6550250320231
7103364030113
oct17633267433
95424202611
102121101083
11999340702
124b2429077
1327a5984ca
141619c0043
15c63345dd
hex7e6d6f1b

2121101083 has 2 divisors, whose sum is σ = 2121101084. Its totient is φ = 2121101082.

The previous prime is 2121101071. The next prime is 2121101137. The reversal of 2121101083 is 3801011212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2121101083 - 225 = 2087546651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2121101083.

It is not a weakly prime, because it can be changed into another prime (2121101053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060550541 + 1060550542.

It is an arithmetic number, because the mean of its divisors is an integer number (1060550542).

Almost surely, 22121101083 is an apocalyptic number.

2121101083 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121101083 is an equidigital number, since it uses as much as digits as its factorization.

2121101083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 2121101083 is about 46055.4131780402. The cubic root of 2121101083 is about 1284.8540226913.

Adding to 2121101083 its reverse (3801011212), we get a palindrome (5922112295).

The spelling of 2121101083 in words is "two billion, one hundred twenty-one million, one hundred one thousand, eighty-three".