103140340221242 has 4 divisors (see below), whose sum is σ = 154710510331866. Its totient is φ = 51570170110620.

The previous prime is 103140340221227. The next prime is 103140340221253. The reversal of 103140340221242 is 242122043041301.

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

It can be written as a sum of positive squares in only one way, i.e., 69987630271321 + 33152709949921 = 8365861^2 + 5757839^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25785085055309 + ... + 25785085055312.

Almost surely, 2^{103140340221242} is an apocalyptic number.

103140340221242 is a deficient number, since it is larger than the sum of its proper divisors (51570170110624).

103140340221242 is an equidigital number, since it uses as much as digits as its factorization.

103140340221242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51570170110623.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 103140340221242 its reverse (242122043041301), we get a palindrome (345262383262543).

The spelling of 103140340221242 in words is "one hundred three trillion, one hundred forty billion, three hundred forty million, two hundred twenty-one thousand, two hundred forty-two".