102003103332021 has 4 divisors (see below), whose sum is σ = 136004137776032. Its totient is φ = 68002068888012.

The previous prime is 102003103332017. The next prime is 102003103332041. The reversal of 102003103332021 is 120233301300201.

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 102003103332021 - 2² = 102003103332017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102003103332001) 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, 17000517222001 + ... + 17000517222006.

It is an arithmetic number, because the mean of its divisors is an integer number (34001034444008).

Almost surely, 2^{102003103332021} is an apocalyptic number.

It is an amenable number.

102003103332021 is a deficient number, since it is larger than the sum of its proper divisors (34001034444011).

102003103332021 is an equidigital number, since it uses as much as digits as its factorization.

102003103332021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34001034444010.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 102003103332021 its reverse (120233301300201), we get a palindrome (222236404632222).

The spelling of 102003103332021 in words is "one hundred two trillion, three billion, one hundred three million, three hundred thirty-two thousand, twenty-one".