100010021003 has 2 divisors, whose sum is σ = 100010021004. Its totient is φ = 100010021002.

The previous prime is 100010020997. The next prime is 100010021029. The reversal of 100010021003 is 300120010001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100010021003 - 2¹⁰ = 100010019979 is a prime.

It is a super-2 number, since 2×100010021003² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100010021053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50005010501 + 50005010502.

It is an arithmetic number, because the mean of its divisors is an integer number (50005010502).

Almost surely, 2^100010021003 is an apocalyptic number.

100010021003 is a deficient number, since it is larger than the sum of its proper divisors (1).

100010021003 is an equidigital number, since it uses as much as digits as its factorization.

100010021003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 100010021003 its reverse (300120010001), we get a palindrome (400130031004).

The spelling of 100010021003 in words is "one hundred billion, ten million, twenty-one thousand, three".