102120012122243 has 2 divisors, whose sum is σ = 102120012122244. Its totient is φ = 102120012122242.

The previous prime is 102120012122207. The next prime is 102120012122257. The reversal of 102120012122243 is 342221210021201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102120012122243 - 2⁸ = 102120012121987 is a prime.

It is not a weakly prime, because it can be changed into another prime (102120012122743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51060006061121 + 51060006061122.

It is an arithmetic number, because the mean of its divisors is an integer number (51060006061122).

Almost surely, 2^{102120012122243} is an apocalyptic number.

102120012122243 is a deficient number, since it is larger than the sum of its proper divisors (1).

102120012122243 is an equidigital number, since it uses as much as digits as its factorization.

102120012122243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 102120012122243 its reverse (342221210021201), we get a palindrome (444341222143444).

The spelling of 102120012122243 in words is "one hundred two trillion, one hundred twenty billion, twelve million, one hundred twenty-two thousand, two hundred forty-three".