120020111022 has 128 divisors (see below), whose sum is σ = 288097689600. Its totient is φ = 32609114496.

The previous prime is 120020110981. The next prime is 120020111053. The reversal of 120020111022 is 220111020021.

It is a junction number, because it is equal to n+sod(n) for n = 120020110989 and 120020111007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36291093 + ... + 36294399.

It is an arithmetic number, because the mean of its divisors is an integer number (2250763200).

Almost surely, 2^120020111022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120020111022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144048844800).

120020111022 is an abundant number, since it is smaller than the sum of its proper divisors (168077578578).

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

120020111022 is a wasteful number, since it uses less digits than its factorization.

120020111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3790.

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

Adding to 120020111022 its reverse (220111020021), we get a palindrome (340131131043).

The spelling of 120020111022 in words is "one hundred twenty billion, twenty million, one hundred eleven thousand, twenty-two".