102123321211 has 2 divisors, whose sum is σ = 102123321212. Its totient is φ = 102123321210.

The previous prime is 102123321169. The next prime is 102123321229. The reversal of 102123321211 is 112123321201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102123321211 - 2¹¹ = 102123319163 is a prime.

It is not a weakly prime, because it can be changed into another prime (102123321271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51061660605 + 51061660606.

It is an arithmetic number, because the mean of its divisors is an integer number (51061660606).

Almost surely, 2^102123321211 is an apocalyptic number.

102123321211 is a deficient number, since it is larger than the sum of its proper divisors (1).

102123321211 is an equidigital number, since it uses as much as digits as its factorization.

102123321211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 102123321211 its reverse (112123321201), we get a palindrome (214246642412).

The spelling of 102123321211 in words is "one hundred two billion, one hundred twenty-three million, three hundred twenty-one thousand, two hundred eleven".