102201227 has 2 divisors, whose sum is σ = 102201228. Its totient is φ = 102201226.

The previous prime is 102201217. The next prime is 102201251. The reversal of 102201227 is 722102201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102201227 - 2¹⁸ = 101939083 is a prime.

It is not a weakly prime, because it can be changed into another prime (102201217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51100613 + 51100614.

It is an arithmetic number, because the mean of its divisors is an integer number (51100614).

Almost surely, 2^102201227 is an apocalyptic number.

102201227 is a deficient number, since it is larger than the sum of its proper divisors (1).

102201227 is an equidigital number, since it uses as much as digits as its factorization.

102201227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 102201227 is about 10109.4622507827. The cubic root of 102201227 is about 467.5399254796.

Adding to 102201227 its reverse (722102201), we get a palindrome (824303428).

The spelling of 102201227 in words is "one hundred two million, two hundred one thousand, two hundred twenty-seven".