30210011211121 has 16 divisors (see below), whose sum is σ = 36377849497600. Its totient is φ = 24507826939728.

The previous prime is 30210011211097. The next prime is 30210011211131. The reversal of 30210011211121 is 12111211001203.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30210011211121 - 2¹⁵ = 30210011178353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30210011211095 and 30210011211104.

It is not an unprimeable number, because it can be changed into a prime (30210011211131) 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, 109170255 + ... + 109446628.

It is an arithmetic number, because the mean of its divisors is an integer number (2273615593600).

Almost surely, 2^{30210011211121} is an apocalyptic number.

It is an amenable number.

30210011211121 is a deficient number, since it is larger than the sum of its proper divisors (6167838286479).

30210011211121 is a wasteful number, since it uses less digits than its factorization.

30210011211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218617948.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 30210011211121 its reverse (12111211001203), we get a palindrome (42321222212324).

The spelling of 30210011211121 in words is "thirty trillion, two hundred ten billion, eleven million, two hundred eleven thousand, one hundred twenty-one".