30202211121 has 16 divisors (see below), whose sum is σ = 42413472000. Its totient is φ = 19064099088.

The previous prime is 30202211071. The next prime is 30202211141. The reversal of 30202211121 is 12111220203.

It is not a de Polignac number, because 30202211121 - 2⁶ = 30202211057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30202211121.

It is not an unprimeable number, because it can be changed into a prime (30202211141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52071 + ... + 251228.

It is an arithmetic number, because the mean of its divisors is an integer number (2650842000).

Almost surely, 2^30202211121 is an apocalyptic number.

It is an amenable number.

30202211121 is a deficient number, since it is larger than the sum of its proper divisors (12211260879).

30202211121 is a wasteful number, since it uses less digits than its factorization.

30202211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305068.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 30202211121 its reverse (12111220203), we get a palindrome (42313431324).

The spelling of 30202211121 in words is "thirty billion, two hundred two million, two hundred eleven thousand, one hundred twenty-one".