100100100103 has 2 divisors, whose sum is σ = 100100100104. Its totient is φ = 100100100102.

The previous prime is 100100100059. The next prime is 100100100109. The reversal of 100100100103 is 301001001001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100100100103 - 2²¹ = 100098002951 is a prime.

It is a super-2 number, since 2×100100100103² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100100100109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50050050051 + 50050050052.

It is an arithmetic number, because the mean of its divisors is an integer number (50050050052).

Almost surely, 2^100100100103 is an apocalyptic number.

100100100103 is a deficient number, since it is larger than the sum of its proper divisors (1).

100100100103 is an equidigital number, since it uses as much as digits as its factorization.

100100100103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3, while the sum is 7.

Adding to 100100100103 its reverse (301001001001), we get a palindrome (401101101104).

The spelling of 100100100103 in words is "one hundred billion, one hundred million, one hundred thousand, one hundred three".