120111421133430 has 160 divisors (see below), whose sum is σ = 324878738976000. Its totient is φ = 31840332752448.

The previous prime is 120111421133411. The next prime is 120111421133441. The reversal of 120111421133430 is 34331124111021.

120111421133430 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 1 + 14 + 211 + 3 + 3 + 430 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 120111421133394 and 120111421133403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 180684601 + ... + 181348139.

It is an arithmetic number, because the mean of its divisors is an integer number (2030492118600).

Almost surely, 2^{120111421133430} is an apocalyptic number.

120111421133430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 120111421133430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162439369488000).

120111421133430 is an abundant number, since it is smaller than the sum of its proper divisors (204767317842570).

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

120111421133430 is a wasteful number, since it uses less digits than its factorization.

120111421133430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664880 (or 664871 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 120111421133430 its reverse (34331124111021), we get a palindrome (154442545244451).

The spelling of 120111421133430 in words is "one hundred twenty trillion, one hundred eleven billion, four hundred twenty-one million, one hundred thirty-three thousand, four hundred thirty".