30111132130420 has 96 divisors (see below), whose sum is σ = 69304547894400. Its totient is φ = 10898319452160.

The previous prime is 30111132130403. The next prime is 30111132130441. The reversal of 30111132130420 is 2403123111103.

It is a super-2 number, since 2×30111132130420² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 30111132130391 and 30111132130400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134856031 + ... + 135079129.

It is an arithmetic number, because the mean of its divisors is an integer number (721922373900).

Almost surely, 2^{30111132130420} 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 30111132130420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34652273947200).

30111132130420 is an abundant number, since it is smaller than the sum of its proper divisors (39193415763980).

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

30111132130420 is a wasteful number, since it uses less digits than its factorization.

30111132130420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225985 (or 225983 counting only the distinct ones).

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

Adding to 30111132130420 its reverse (2403123111103), we get a palindrome (32514255241523).

The spelling of 30111132130420 in words is "thirty trillion, one hundred eleven billion, one hundred thirty-two million, one hundred thirty thousand, four hundred twenty".