100021111002003 has 16 divisors (see below), whose sum is σ = 134381734096896. Its totient is φ = 66170631153120.

The previous prime is 100021111001993. The next prime is 100021111002013. The reversal of 100021111002003 is 300200111120001.

It is an interprime number because it is at equal distance from previous prime (100021111001993) and next prime (100021111002013).

It is not a de Polignac number, because 100021111002003 - 2³³ = 100012521067411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100021111002003.

It is not an unprimeable number, because it can be changed into a prime (100021111002013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21994926 + ... + 26149932.

It is an arithmetic number, because the mean of its divisors is an integer number (8398858381056).

Almost surely, 2^{100021111002003} is an apocalyptic number.

100021111002003 is a deficient number, since it is larger than the sum of its proper divisors (34360623094893).

100021111002003 is a wasteful number, since it uses less digits than its factorization.

100021111002003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4216394.

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

Adding to 100021111002003 its reverse (300200111120001), we get a palindrome (400221222122004).

The spelling of 100021111002003 in words is "one hundred trillion, twenty-one billion, one hundred eleven million, two thousand, three".