1302103023121 has 4 divisors (see below), whose sum is σ = 1370634761200. Its totient is φ = 1233571285044.

The previous prime is 1302103023119. The next prime is 1302103023131. The reversal of 1302103023121 is 1213203012031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1302103023121 - 2¹ = 1302103023119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 68531738059 = 1302103023121 / (1 + 3 + 0 + 2 + 1 + 0 + 3 + 0 + 2 + 3 + 1 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1302103023101) 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, 34265869011 + ... + 34265869048.

It is an arithmetic number, because the mean of its divisors is an integer number (342658690300).

Almost surely, 2^{1302103023121} is an apocalyptic number.

It is an amenable number.

1302103023121 is a deficient number, since it is larger than the sum of its proper divisors (68531738079).

1302103023121 is an equidigital number, since it uses as much as digits as its factorization.

1302103023121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68531738078.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1302103023121 its reverse (1213203012031), we get a palindrome (2515306035152).

The spelling of 1302103023121 in words is "one trillion, three hundred two billion, one hundred three million, twenty-three thousand, one hundred twenty-one".