30100111103021 has 2 divisors, whose sum is σ = 30100111103022. Its totient is φ = 30100111103020.

The previous prime is 30100111102987. The next prime is 30100111103113. The reversal of 30100111103021 is 12030111100103.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18499581640996 + 11600529462025 = 4301114^2 + 3405955^2 .

It is a cyclic number.

It is not a de Polignac number, because 30100111103021 - 2²⁶ = 30100043994157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30100111102987 and 30100111103005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30100111103521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15050055551510 + 15050055551511.

It is an arithmetic number, because the mean of its divisors is an integer number (15050055551511).

Almost surely, 2^{30100111103021} is an apocalyptic number.

It is an amenable number.

30100111103021 is a deficient number, since it is larger than the sum of its proper divisors (1).

30100111103021 is an equidigital number, since it uses as much as digits as its factorization.

30100111103021 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 14.

Adding to 30100111103021 its reverse (12030111100103), we get a palindrome (42130222203124).

The spelling of 30100111103021 in words is "thirty trillion, one hundred billion, one hundred eleven million, one hundred three thousand, twenty-one".