30202232121 has 48 divisors (see below), whose sum is σ = 46339817472. Its totient is φ = 18915573600.

The previous prime is 30202232083. The next prime is 30202232197. The reversal of 30202232121 is 12123220203.

30202232121 is a `hidden beast` number, since 302 + 0 + 22 + 321 + 21 = 666.

It is not a de Polignac number, because 30202232121 - 2¹⁵ = 30202199353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30202232094 and 30202232103.

It is not an unprimeable number, because it can be changed into a prime (30202232821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3979096 + ... + 3986678.

It is an arithmetic number, because the mean of its divisors is an integer number (965412864).

Almost surely, 2^30202232121 is an apocalyptic number.

It is an amenable number.

30202232121 is a deficient number, since it is larger than the sum of its proper divisors (16137585351).

30202232121 is a wasteful number, since it uses less digits than its factorization.

30202232121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7954 (or 7951 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30202232121 its reverse (12123220203), we get a palindrome (42325452324).

The spelling of 30202232121 in words is "thirty billion, two hundred two million, two hundred thirty-two thousand, one hundred twenty-one".