102110021012243 has 2 divisors, whose sum is σ = 102110021012244. Its totient is φ = 102110021012242.

The previous prime is 102110021012183. The next prime is 102110021012299. The reversal of 102110021012243 is 342210120011201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102110021012243 - 2¹⁸ = 102110020750099 is a prime.

It is a super-2 number, since 2×102110021012243² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102110021812243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055010506121 + 51055010506122.

It is an arithmetic number, because the mean of its divisors is an integer number (51055010506122).

Almost surely, 2^{102110021012243} is an apocalyptic number.

102110021012243 is a deficient number, since it is larger than the sum of its proper divisors (1).

102110021012243 is an equidigital number, since it uses as much as digits as its factorization.

102110021012243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 102110021012243 its reverse (342210120011201), we get a palindrome (444320141023444).

The spelling of 102110021012243 in words is "one hundred two trillion, one hundred ten billion, twenty-one million, twelve thousand, two hundred forty-three".