102140011 has 2 divisors, whose sum is σ = 102140012. Its totient is φ = 102140010.

The previous prime is 102139993. The next prime is 102140041. The reversal of 102140011 is 110041201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102140011 - 2¹³ = 102131819 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102140011.

It is not a weakly prime, because it can be changed into another prime (102140041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51070005 + 51070006.

It is an arithmetic number, because the mean of its divisors is an integer number (51070006).

Almost surely, 2^102140011 is an apocalyptic number.

102140011 is a deficient number, since it is larger than the sum of its proper divisors (1).

102140011 is an equidigital number, since it uses as much as digits as its factorization.

102140011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 102140011 is about 10106.4341387059. The cubic root of 102140011 is about 467.4465585627.

Adding to 102140011 its reverse (110041201), we get a palindrome (212181212).

The spelling of 102140011 in words is "one hundred two million, one hundred forty thousand, eleven".