1003012201001 has 4 divisors (see below), whose sum is σ = 1003015448400. Its totient is φ = 1003008953604.

The previous prime is 1003012200929. The next prime is 1003012201027. The reversal of 1003012201001 is 1001022103001.

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 a cyclic number.

It is not a de Polignac number, because 1003012201001 - 2²² = 1003008006697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003012261001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105211 + ... + 1796528.

It is an arithmetic number, because the mean of its divisors is an integer number (250753862100).

Almost surely, 2^{1003012201001} is an apocalyptic number.

It is an amenable number.

1003012201001 is a deficient number, since it is larger than the sum of its proper divisors (3247399).

1003012201001 is an equidigital number, since it uses as much as digits as its factorization.

1003012201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3247398.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 1003012201001 its reverse (1001022103001), we get a palindrome (2004034304002).

The spelling of 1003012201001 in words is "one trillion, three billion, twelve million, two hundred one thousand, one".