30231211122 has 64 divisors (see below), whose sum is σ = 77537952000. Its totient is φ = 8551958400.

The previous prime is 30231211121. The next prime is 30231211123. The reversal of 30231211122 is 22111213203.

30231211122 is a `hidden beast` number, since 302 + 31 + 211 + 122 = 666.

It is an interprime number because it is at equal distance from previous prime (30231211121) and next prime (30231211123).

It is a super-2 number, since 2×30231211122² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30231211095 and 30231211104.

It is not an unprimeable number, because it can be changed into a prime (30231211121) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 357747 + ... + 434102.

It is an arithmetic number, because the mean of its divisors is an integer number (1211530500).

Almost surely, 2^30231211122 is an apocalyptic number.

30231211122 is an abundant number, since it is smaller than the sum of its proper divisors (47306740878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30231211122 is a wasteful number, since it uses less digits than its factorization.

30231211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791968 (or 791962 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 30231211122 its reverse (22111213203), we get a palindrome (52342424325).

The spelling of 30231211122 in words is "thirty billion, two hundred thirty-one million, two hundred eleven thousand, one hundred twenty-two".