102010121027 has 2 divisors, whose sum is σ = 102010121028. Its totient is φ = 102010121026.

The previous prime is 102010120999. The next prime is 102010121093. The reversal of 102010121027 is 720121010201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102010121027 - 2⁶ = 102010120963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102010120996 and 102010121014.

It is not a weakly prime, because it can be changed into another prime (102010121327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51005060513 + 51005060514.

It is an arithmetic number, because the mean of its divisors is an integer number (51005060514).

Almost surely, 2^102010121027 is an apocalyptic number.

102010121027 is a deficient number, since it is larger than the sum of its proper divisors (1).

102010121027 is an equidigital number, since it uses as much as digits as its factorization.

102010121027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 102010121027 its reverse (720121010201), we get a palindrome (822131131228).

The spelling of 102010121027 in words is "one hundred two billion, ten million, one hundred twenty-one thousand, twenty-seven".