30211111111168 has 240 divisors, whose sum is σ = 68285647938816. Its totient is φ = 13331122421760.

The previous prime is 30211111111079. The next prime is 30211111111169. The reversal of 30211111111168 is 86111111111203.

It is a super-2 number, since 2×30211111111168² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30211111111169) 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 23 ways as a sum of consecutive naturals, for example, 222568696 + ... + 222704392.

Almost surely, 2^{30211111111168} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30211111111168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34142823969408).

30211111111168 is an abundant number, since it is smaller than the sum of its proper divisors (38074536827648).

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

30211111111168 is a wasteful number, since it uses less digits than its factorization.

30211111111168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135855 (or 135826 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 28.

The spelling of 30211111111168 in words is "thirty trillion, two hundred eleven billion, one hundred eleven million, one hundred eleven thousand, one hundred sixty-eight".