Search a number
-
+
220102122211291 is a prime number
BaseRepresentation
bin110010000010111010000100…
…110011110000011111011011
31001212022120001100001102002001
4302002322010303300133123
5212322123121241230131
62100041304041021431
764234565525661025
oct6202720463603733
91055276040042061
10220102122211291
1164149870a35211
1220829323484877
1395a7705948c78
143c4cddcad1015
151a6a564613261
hexc82e84cf07db

220102122211291 has 2 divisors, whose sum is σ = 220102122211292. Its totient is φ = 220102122211290.

The previous prime is 220102122211207. The next prime is 220102122211297. The reversal of 220102122211291 is 192112221201022.

220102122211291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220102122211291 - 29 = 220102122210779 is a prime.

It is not a weakly prime, because it can be changed into another prime (220102122211297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110051061105645 + 110051061105646.

It is an arithmetic number, because the mean of its divisors is an integer number (110051061105646).

Almost surely, 2220102122211291 is an apocalyptic number.

220102122211291 is a deficient number, since it is larger than the sum of its proper divisors (1).

220102122211291 is an equidigital number, since it uses as much as digits as its factorization.

220102122211291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 220102122211291 in words is "two hundred twenty trillion, one hundred two billion, one hundred twenty-two million, two hundred eleven thousand, two hundred ninety-one".