30111021007 has 4 divisors (see below), whose sum is σ = 30117117600. Its totient is φ = 30104924416.

The previous prime is 30111020983. The next prime is 30111021013. The reversal of 30111021007 is 70012011103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70012011103 = 5107 ⋅13709029.

It is a cyclic number.

It is not a de Polignac number, because 30111021007 - 2¹⁵ = 30110988239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30111021037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3040882 + ... + 3050767.

It is an arithmetic number, because the mean of its divisors is an integer number (7529279400).

Almost surely, 2^30111021007 is an apocalyptic number.

30111021007 is a deficient number, since it is larger than the sum of its proper divisors (6096593).

30111021007 is an equidigital number, since it uses as much as digits as its factorization.

30111021007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6096592.

The product of its (nonzero) digits is 42, while the sum is 16.

The spelling of 30111021007 in words is "thirty billion, one hundred eleven million, twenty-one thousand, seven".