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221000201011013 is a prime number
BaseRepresentation
bin110010001111111110011110…
…011110011111111101000101
31001222111102010222202101222112
4302033332132132133331011
5212431331402424323023
62102010031334310405
764356511000553414
oct6217763636377505
91058442128671875
10221000201011013
1164465728009886
12209533a01b8405
1396412ca38a978
143c80676c9147b
151a83ac8145478
hexc8ff9e79ff45

221000201011013 has 2 divisors, whose sum is σ = 221000201011014. Its totient is φ = 221000201011012.

The previous prime is 221000201011001. The next prime is 221000201011091. The reversal of 221000201011013 is 310110102000122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172400103734884 + 48600097276129 = 13130122^2 + 6971377^2 .

It is a cyclic number.

It is not a de Polignac number, because 221000201011013 - 216 = 221000200945477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221000201011813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110500100505506 + 110500100505507.

It is an arithmetic number, because the mean of its divisors is an integer number (110500100505507).

Almost surely, 2221000201011013 is an apocalyptic number.

It is an amenable number.

221000201011013 is a deficient number, since it is larger than the sum of its proper divisors (1).

221000201011013 is an equidigital number, since it uses as much as digits as its factorization.

221000201011013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 221000201011013 its reverse (310110102000122), we get a palindrome (531110303011135).

The spelling of 221000201011013 in words is "two hundred twenty-one trillion, two hundred one million, eleven thousand, thirteen".