120010111122 has 128 divisors (see below), whose sum is σ = 279083750400. Its totient is φ = 34021728000.

The previous prime is 120010111079. The next prime is 120010111153. The reversal of 120010111122 is 221111010021.

It is a junction number, because it is equal to n+sod(n) for n = 120010111098 and 120010111107.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 59146404 + ... + 59148432.

It is an arithmetic number, because the mean of its divisors is an integer number (2180341800).

Almost surely, 2^120010111122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120010111122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139541875200).

120010111122 is an abundant number, since it is smaller than the sum of its proper divisors (159073639278).

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

120010111122 is a wasteful number, since it uses less digits than its factorization.

120010111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2632.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120010111122 its reverse (221111010021), we get a palindrome (341121121143).

It can be divided in two parts, 120010 and 111122, that added together give a palindrome (231132).

The spelling of 120010111122 in words is "one hundred twenty billion, ten million, one hundred eleven thousand, one hundred twenty-two".