102111120127 has 2 divisors, whose sum is σ = 102111120128. Its totient is φ = 102111120126.

The previous prime is 102111120107. The next prime is 102111120203. The reversal of 102111120127 is 721021111201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102111120127 - 2²⁷ = 101976902399 is a prime.

It is a super-2 number, since 2×102111120127² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102111120107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055560063 + 51055560064.

It is an arithmetic number, because the mean of its divisors is an integer number (51055560064).

Almost surely, 2^102111120127 is an apocalyptic number.

102111120127 is a deficient number, since it is larger than the sum of its proper divisors (1).

102111120127 is an equidigital number, since it uses as much as digits as its factorization.

102111120127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 102111120127 its reverse (721021111201), we get a palindrome (823132231328).

The spelling of 102111120127 in words is "one hundred two billion, one hundred eleven million, one hundred twenty thousand, one hundred twenty-seven".