102202241227 has 2 divisors, whose sum is σ = 102202241228. Its totient is φ = 102202241226.

The previous prime is 102202241209. The next prime is 102202241341. The reversal of 102202241227 is 722142202201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102202241227 is a prime.

It is a super-2 number, since 2×102202241227² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102202241527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51101120613 + 51101120614.

It is an arithmetic number, because the mean of its divisors is an integer number (51101120614).

Almost surely, 2^102202241227 is an apocalyptic number.

102202241227 is a deficient number, since it is larger than the sum of its proper divisors (1).

102202241227 is an equidigital number, since it uses as much as digits as its factorization.

102202241227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 25.

Adding to 102202241227 its reverse (722142202201), we get a palindrome (824344443428).

The spelling of 102202241227 in words is "one hundred two billion, two hundred two million, two hundred forty-one thousand, two hundred twenty-seven".