30121311122 has 32 divisors (see below), whose sum is σ = 52239116160. Its totient is φ = 12758613120.

The previous prime is 30121311113. The next prime is 30121311137. The reversal of 30121311122 is 22111312103.

It is a self number, because there is not a number n which added to its sum of digits gives 30121311122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4408673 + ... + 4415499.

It is an arithmetic number, because the mean of its divisors is an integer number (1632472380).

Almost surely, 2^30121311122 is an apocalyptic number.

30121311122 is a deficient number, since it is larger than the sum of its proper divisors (22117805038).

30121311122 is a wasteful number, since it uses less digits than its factorization.

30121311122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10466.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 30121311122 its reverse (22111312103), we get a palindrome (52232623225).

The spelling of 30121311122 in words is "thirty billion, one hundred twenty-one million, three hundred eleven thousand, one hundred twenty-two".