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221200020226201 is a prime number
BaseRepresentation
bin110010010010111000100100…
…101000010100000010011001
31002000012111220201212021100011
4302102320210220110002121
5212443120120134214301
62102241515245441521
764410113465063122
oct6222704450240231
91060174821767304
10221200020226201
1164532446821745
12209860672702a1
1396570c30bc983
143c8a1d0d53049
151a88dc07a8a51
hexc92e24a14099

221200020226201 has 2 divisors, whose sum is σ = 221200020226202. Its totient is φ = 221200020226200.

The previous prime is 221200020226139. The next prime is 221200020226219. The reversal of 221200020226201 is 102622020002122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220792823091801 + 407197134400 = 14859099^2 + 638120^2 .

It is a cyclic number.

It is not a de Polignac number, because 221200020226201 - 217 = 221200020095129 is a prime.

It is not a weakly prime, because it can be changed into another prime (221200020226501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110600010113100 + 110600010113101.

It is an arithmetic number, because the mean of its divisors is an integer number (110600010113101).

Almost surely, 2221200020226201 is an apocalyptic number.

It is an amenable number.

221200020226201 is a deficient number, since it is larger than the sum of its proper divisors (1).

221200020226201 is an equidigital number, since it uses as much as digits as its factorization.

221200020226201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 221200020226201 its reverse (102622020002122), we get a palindrome (323822040228323).

The spelling of 221200020226201 in words is "two hundred twenty-one trillion, two hundred billion, twenty million, two hundred twenty-six thousand, two hundred one".