1101030103021 has 2 divisors, whose sum is σ = 1101030103022. Its totient is φ = 1101030103020.

The previous prime is 1101030103013. The next prime is 1101030103027. The reversal of 1101030103021 is 1203010301011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 982546825225 + 118483277796 = 991235^2 + 344214^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101030103021 - 2³ = 1101030103013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1101030102992 and 1101030103010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101030103027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550515051510 + 550515051511.

It is an arithmetic number, because the mean of its divisors is an integer number (550515051511).

Almost surely, 2^{1101030103021} is an apocalyptic number.

It is an amenable number.

1101030103021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101030103021 is an equidigital number, since it uses as much as digits as its factorization.

1101030103021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 1101030103021 its reverse (1203010301011), we get a palindrome (2304040404032).

The spelling of 1101030103021 in words is "one trillion, one hundred one billion, thirty million, one hundred three thousand, twenty-one".