102122221241 has 2 divisors, whose sum is σ = 102122221242. Its totient is φ = 102122221240.

The previous prime is 102122221217. The next prime is 102122221277. The reversal of 102122221241 is 142122221201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98473578025 + 3648643216 = 313805^2 + 60404^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102122221241 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (102122221741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51061110620 + 51061110621.

It is an arithmetic number, because the mean of its divisors is an integer number (51061110621).

Almost surely, 2^102122221241 is an apocalyptic number.

It is an amenable number.

102122221241 is a deficient number, since it is larger than the sum of its proper divisors (1).

102122221241 is an equidigital number, since it uses as much as digits as its factorization.

102122221241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 102122221241 its reverse (142122221201), we get a palindrome (244244442442).

The spelling of 102122221241 in words is "one hundred two billion, one hundred twenty-two million, two hundred twenty-one thousand, two hundred forty-one".