30122313121021 has 24 divisors (see below), whose sum is σ = 34037032068000. Its totient is φ = 26436442697280.

The previous prime is 30122313121001. The next prime is 30122313121027. The reversal of 30122313121021 is 12012131322103.

It is not a de Polignac number, because 30122313121021 - 2⁵ = 30122313120989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30122313120983 and 30122313121001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30122313121027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77783530 + ... + 78169828.

It is an arithmetic number, because the mean of its divisors is an integer number (1418209669500).

Almost surely, 2^{30122313121021} is an apocalyptic number.

It is an amenable number.

30122313121021 is a deficient number, since it is larger than the sum of its proper divisors (3914718946979).

30122313121021 is a wasteful number, since it uses less digits than its factorization.

30122313121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394797 (or 394768 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 30122313121021 its reverse (12012131322103), we get a palindrome (42134444443124).

The spelling of 30122313121021 in words is "thirty trillion, one hundred twenty-two billion, three hundred thirteen million, one hundred twenty-one thousand, twenty-one".