120022231021 has 32 divisors (see below), whose sum is σ = 152135366400. Its totient is φ = 91975488000.

The previous prime is 120022231019. The next prime is 120022231031. The reversal of 120022231021 is 120132220021.

It is a happy number.

It is not a de Polignac number, because 120022231021 - 2¹ = 120022231019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120022230986 and 120022231004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120022231031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1106985 + ... + 1210561.

It is an arithmetic number, because the mean of its divisors is an integer number (4754230200).

Almost surely, 2^120022231021 is an apocalyptic number.

120022231021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120022231021 is a deficient number, since it is larger than the sum of its proper divisors (32113135379).

120022231021 is a wasteful number, since it uses less digits than its factorization.

120022231021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103845.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 120022231021 its reverse (120132220021), we get a palindrome (240154451042).

The spelling of 120022231021 in words is "one hundred twenty billion, twenty-two million, two hundred thirty-one thousand, twenty-one".