30211122231120 has 160 divisors (see below), whose sum is σ = 94246876563840. Its totient is φ = 8005411215360.

The previous prime is 30211122231097. The next prime is 30211122231127. The reversal of 30211122231120 is 2113222111203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30211122231127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54414762 + ... + 54967158.

It is an arithmetic number, because the mean of its divisors is an integer number (589042978524).

Almost surely, 2^{30211122231120} is an apocalyptic number.

30211122231120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30211122231120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47123438281920).

30211122231120 is an abundant number, since it is smaller than the sum of its proper divisors (64035754332720).

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

30211122231120 is a wasteful number, since it uses less digits than its factorization.

30211122231120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553853 (or 553847 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 30211122231120 its reverse (2113222111203), we get a palindrome (32324344342323).

The spelling of 30211122231120 in words is "thirty trillion, two hundred eleven billion, one hundred twenty-two million, two hundred thirty-one thousand, one hundred twenty".