30030021011 has 2 divisors, whose sum is σ = 30030021012. Its totient is φ = 30030021010.

The previous prime is 30030020989. The next prime is 30030021019. The reversal of 30030021011 is 11012003003.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30030021011 - 2²² = 30025826707 is a prime.

It is a super-2 number, since 2×30030021011² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30030020983 and 30030021001.

It is not a weakly prime, because it can be changed into another prime (30030021019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15015010505 + 15015010506.

It is an arithmetic number, because the mean of its divisors is an integer number (15015010506).

Almost surely, 2^30030021011 is an apocalyptic number.

30030021011 is a deficient number, since it is larger than the sum of its proper divisors (1).

30030021011 is an equidigital number, since it uses as much as digits as its factorization.

30030021011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 30030021011 its reverse (11012003003), we get a palindrome (41042024014).

The spelling of 30030021011 in words is "thirty billion, thirty million, twenty-one thousand, eleven".