30003112102021 has 2 divisors, whose sum is σ = 30003112102022. Its totient is φ = 30003112102020.

The previous prime is 30003112102013. The next prime is 30003112102039. The reversal of 30003112102021 is 12020121130003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28257835956100 + 1745276145921 = 5315810^2 + 1321089^2 .

It is a cyclic number.

It is not a de Polignac number, because 30003112102021 - 2³ = 30003112102013 is a prime.

It is a super-2 number, since 2×30003112102021² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30003112101986 and 30003112102004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30003112102081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15001556051010 + 15001556051011.

It is an arithmetic number, because the mean of its divisors is an integer number (15001556051011).

Almost surely, 2^{30003112102021} is an apocalyptic number.

It is an amenable number.

30003112102021 is a deficient number, since it is larger than the sum of its proper divisors (1).

30003112102021 is an equidigital number, since it uses as much as digits as its factorization.

30003112102021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30003112102021 its reverse (12020121130003), we get a palindrome (42023233232024).

The spelling of 30003112102021 in words is "thirty trillion, three billion, one hundred twelve million, one hundred two thousand, twenty-one".