100111021103 has 2 divisors, whose sum is σ = 100111021104. Its totient is φ = 100111021102.

The previous prime is 100111021069. The next prime is 100111021111. The reversal of 100111021103 is 301120111001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100111021103 is a prime.

It is a super-2 number, since 2×100111021103² (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 (100111024103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50055510551 + 50055510552.

It is an arithmetic number, because the mean of its divisors is an integer number (50055510552).

Almost surely, 2^100111021103 is an apocalyptic number.

100111021103 is a deficient number, since it is larger than the sum of its proper divisors (1).

100111021103 is an equidigital number, since it uses as much as digits as its factorization.

100111021103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 100111021103 its reverse (301120111001), we get a palindrome (401231132104).

The spelling of 100111021103 in words is "one hundred billion, one hundred eleven million, twenty-one thousand, one hundred three".