102221110100939 has 2 divisors, whose sum is σ = 102221110100940. Its totient is φ = 102221110100938.

The previous prime is 102221110100881. The next prime is 102221110101013. The reversal of 102221110100939 is 939001011122201.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (939001011122201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102221110100939 - 2¹⁶ = 102221110035403 is a prime.

It is not a weakly prime, because it can be changed into another prime (102221110100539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51110555050469 + 51110555050470.

It is an arithmetic number, because the mean of its divisors is an integer number (51110555050470).

Almost surely, 2^{102221110100939} is an apocalyptic number.

102221110100939 is a deficient number, since it is larger than the sum of its proper divisors (1).

102221110100939 is an equidigital number, since it uses as much as digits as its factorization.

102221110100939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 32.

The spelling of 102221110100939 in words is "one hundred two trillion, two hundred twenty-one billion, one hundred ten million, one hundred thousand, nine hundred thirty-nine".