102142142111 has 2 divisors, whose sum is σ = 102142142112. Its totient is φ = 102142142110.

The previous prime is 102142142101. The next prime is 102142142129. The reversal of 102142142111 is 111241241201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102142142111 - 2¹⁴ = 102142125727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102142142101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51071071055 + 51071071056.

It is an arithmetic number, because the mean of its divisors is an integer number (51071071056).

Almost surely, 2^102142142111 is an apocalyptic number.

102142142111 is a deficient number, since it is larger than the sum of its proper divisors (1).

102142142111 is an equidigital number, since it uses as much as digits as its factorization.

102142142111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 102142142111 its reverse (111241241201), we get a palindrome (213383383312).

The spelling of 102142142111 in words is "one hundred two billion, one hundred forty-two million, one hundred forty-two thousand, one hundred eleven".