102443213211242 has 8 divisors (see below), whose sum is σ = 153866744680932. Its totient is φ = 51154298317600.

The previous prime is 102443213211203. The next prime is 102443213211253. The reversal of 102443213211242 is 242112312344201.

102443213211242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 98226355068241 + 4216858143001 = 9910921^2 + 2053499^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×102443213211242² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102443213211199 and 102443213211208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33654142109 + ... + 33654145152.

Almost surely, 2^{102443213211242} is an apocalyptic number.

102443213211242 is a deficient number, since it is larger than the sum of its proper divisors (51423531469690).

102443213211242 is an equidigital number, since it uses as much as digits as its factorization.

102443213211242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67308288024.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 102443213211242 its reverse (242112312344201), we get a palindrome (344555525555443).

The spelling of 102443213211242 in words is "one hundred two trillion, four hundred forty-three billion, two hundred thirteen million, two hundred eleven thousand, two hundred forty-two".