30020021101 has 4 divisors (see below), whose sum is σ = 34308595552. Its totient is φ = 25731446652.

The previous prime is 30020021069. The next prime is 30020021111. The reversal of 30020021101 is 10112002003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30020021101 - 2⁵ = 30020021069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30020021111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2144287215 + ... + 2144287228.

It is an arithmetic number, because the mean of its divisors is an integer number (8577148888).

Almost surely, 2^30020021101 is an apocalyptic number.

It is an amenable number.

30020021101 is a deficient number, since it is larger than the sum of its proper divisors (4288574451).

30020021101 is an equidigital number, since it uses as much as digits as its factorization.

30020021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4288574450.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 30020021101 its reverse (10112002003), we get a palindrome (40132023104).

The spelling of 30020021101 in words is "thirty billion, twenty million, twenty-one thousand, one hundred one".