102112244102443 has 4 divisors (see below), whose sum is σ = 102217841046640. Its totient is φ = 102006647158248.

The previous prime is 102112244102347. The next prime is 102112244102467. The reversal of 102112244102443 is 344201442211201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102112244102443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102112244102543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52798470648 + ... + 52798472581.

It is an arithmetic number, because the mean of its divisors is an integer number (25554460261660).

Almost surely, 2^{102112244102443} is an apocalyptic number.

102112244102443 is a deficient number, since it is larger than the sum of its proper divisors (105596944197).

102112244102443 is an equidigital number, since it uses as much as digits as its factorization.

102112244102443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105596944196.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 102112244102443 its reverse (344201442211201), we get a palindrome (446313686313644).

The spelling of 102112244102443 in words is "one hundred two trillion, one hundred twelve billion, two hundred forty-four million, one hundred two thousand, four hundred forty-three".