120001112022 has 64 divisors (see below), whose sum is σ = 267761064960. Its totient is φ = 35548032000.

The previous prime is 120001111999. The next prime is 120001112039. The reversal of 120001112022 is 220211100021.

It is a junction number, because it is equal to n+sod(n) for n = 120001111989 and 120001112007.

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, 412678 + ... + 640550.

It is an arithmetic number, because the mean of its divisors is an integer number (4183766640).

Almost surely, 2^120001112022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120001112022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133880532480).

120001112022 is an abundant number, since it is smaller than the sum of its proper divisors (147759952938).

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

120001112022 is a wasteful number, since it uses less digits than its factorization.

120001112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228069.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120001112022 its reverse (220211100021), we get a palindrome (340212212043).

The spelling of 120001112022 in words is "one hundred twenty billion, one million, one hundred twelve thousand, twenty-two".