1002101320123 has 8 divisors (see below), whose sum is σ = 1027012492800. Its totient is φ = 977495806248.

The previous prime is 1002101320061. The next prime is 1002101320153. The reversal of 1002101320123 is 3210231012001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002101320123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002101320097 and 1002101320106.

It is not an unprimeable number, because it can be changed into a prime (1002101320153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76408063 + ... + 76421176.

It is an arithmetic number, because the mean of its divisors is an integer number (128376561600).

Almost surely, 2^{1002101320123} is an apocalyptic number.

1002101320123 is a deficient number, since it is larger than the sum of its proper divisors (24911172677).

1002101320123 is an equidigital number, since it uses as much as digits as its factorization.

1002101320123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152829401.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1002101320123 its reverse (3210231012001), we get a palindrome (4212332332124).

The spelling of 1002101320123 in words is "one trillion, two billion, one hundred one million, three hundred twenty thousand, one hundred twenty-three".