100110112111021 has 2 divisors, whose sum is σ = 100110112111022. Its totient is φ = 100110112111020.

The previous prime is 100110112110959. The next prime is 100110112111063. The reversal of 100110112111021 is 120111211011001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88864746776100 + 11245365334921 = 9426810^2 + 3353411^2 .

It is a cyclic number.

It is not a de Polignac number, because 100110112111021 - 2⁷ = 100110112110893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100110112110992 and 100110112111010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100110112811021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50055056055510 + 50055056055511.

It is an arithmetic number, because the mean of its divisors is an integer number (50055056055511).

Almost surely, 2^{100110112111021} is an apocalyptic number.

It is an amenable number.

100110112111021 is a deficient number, since it is larger than the sum of its proper divisors (1).

100110112111021 is an equidigital number, since it uses as much as digits as its factorization.

100110112111021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 100110112111021 its reverse (120111211011001), we get a palindrome (220221323122022).

The spelling of 100110112111021 in words is "one hundred trillion, one hundred ten billion, one hundred twelve million, one hundred eleven thousand, twenty-one".