102111293 has 2 divisors, whose sum is σ = 102111294. Its totient is φ = 102111292.

The previous prime is 102111259. The next prime is 102111319. The reversal of 102111293 is 392111201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54804409 + 47306884 = 7403^2 + 6878^2 .

It is a cyclic number.

It is not a de Polignac number, because 102111293 - 2¹⁸ = 101849149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102111203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055646 + 51055647.

It is an arithmetic number, because the mean of its divisors is an integer number (51055647).

Almost surely, 2^102111293 is an apocalyptic number.

It is an amenable number.

102111293 is a deficient number, since it is larger than the sum of its proper divisors (1).

102111293 is an equidigital number, since it uses as much as digits as its factorization.

102111293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 102111293 is about 10105.0132607533. The cubic root of 102111293 is about 467.4027448850.

Adding to 102111293 its reverse (392111201), we get a palindrome (494222494).

The spelling of 102111293 in words is "one hundred two million, one hundred eleven thousand, two hundred ninety-three".