Search a number
-
+
122201221147 is a prime number
BaseRepresentation
bin111000111001111000…
…0101010100000011011
3102200102102011020020121
41301303300222200123
54000232003034042
6132045524134111
711554155145525
oct1616360524033
9380372136217
10122201221147
1147909449155
121b824b37337
13b6a62557a5
145cb3820a15
1532a3364367
hex1c73c2a81b

122201221147 has 2 divisors, whose sum is σ = 122201221148. Its totient is φ = 122201221146.

The previous prime is 122201221073. The next prime is 122201221213. The reversal of 122201221147 is 741122102221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122201221147 - 223 = 122192832539 is a prime.

It is not a weakly prime, because it can be changed into another prime (122201221847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61100610573 + 61100610574.

It is an arithmetic number, because the mean of its divisors is an integer number (61100610574).

Almost surely, 2122201221147 is an apocalyptic number.

122201221147 is a deficient number, since it is larger than the sum of its proper divisors (1).

122201221147 is an equidigital number, since it uses as much as digits as its factorization.

122201221147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 25.

Adding to 122201221147 its reverse (741122102221), we get a palindrome (863323323368).

The spelling of 122201221147 in words is "one hundred twenty-two billion, two hundred one million, two hundred twenty-one thousand, one hundred forty-seven".