102112244102442 has 32 divisors (see below), whose sum is σ = 233404996022784. Its totient is φ = 29174229270000.

The previous prime is 102112244102347. The next prime is 102112244102467. The reversal of 102112244102442 is 244201442211201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27288684 + ... + 30804167.

It is an arithmetic number, because the mean of its divisors is an integer number (7293906125712).

Almost surely, 2^{102112244102442} is an apocalyptic number.

102112244102442 is an abundant number, since it is smaller than the sum of its proper divisors (131292751920342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102112244102442 is a wasteful number, since it uses less digits than its factorization.

102112244102442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58134714.

The product of its (nonzero) digits is 8192, while the sum is 30.

Adding to 102112244102442 its reverse (244201442211201), we get a palindrome (346313686313643).

The spelling of 102112244102442 in words is "one hundred two trillion, one hundred twelve billion, two hundred forty-four million, one hundred two thousand, four hundred forty-two".