30002213211021 has 12 divisors (see below), whose sum is σ = 43473238494972. Its totient is φ = 19938379334976.

The previous prime is 30002213211007. The next prime is 30002213211023. The reversal of 30002213211021 is 12011231220003.

30002213211021 is a `hidden beast` number, since 300 + 0 + 2 + 21 + 321 + 1 + 0 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14636087609796 + 15366125601225 = 3825714^2 + 3919965^2 .

It is not a de Polignac number, because 30002213211021 - 2¹¹ = 30002213208973 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30002213210985 and 30002213211003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30002213211023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5258008576 + ... + 5258014281.

It is an arithmetic number, because the mean of its divisors is an integer number (3622769874581).

Almost surely, 2^{30002213211021} is an apocalyptic number.

It is an amenable number.

30002213211021 is a deficient number, since it is larger than the sum of its proper divisors (13471025283951).

30002213211021 is a wasteful number, since it uses less digits than its factorization.

30002213211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10516023180 (or 10516023177 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 30002213211021 its reverse (12011231220003), we get a palindrome (42013444431024).

The spelling of 30002213211021 in words is "thirty trillion, two billion, two hundred thirteen million, two hundred eleven thousand, twenty-one".