120011210222020 has 96 divisors (see below), whose sum is σ = 272074892465376. Its totient is φ = 44203326259200.

The previous prime is 120011210221999. The next prime is 120011210222041. The reversal of 120011210222020 is 20222012110021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (120011210221999) and next prime (120011210222041).

It can be written as a sum of positive squares in 16 ways, for example, as 111376404464004 + 8634805758016 = 10553502^2 + 2938504^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120011210221985 and 120011210222003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 433395210 + ... + 433672030.

It is an arithmetic number, because the mean of its divisors is an integer number (2834113463181).

Almost surely, 2^{120011210222020} is an apocalyptic number.

120011210222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120011210222020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136037446232688).

120011210222020 is an abundant number, since it is smaller than the sum of its proper divisors (152063682243356).

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

120011210222020 is a wasteful number, since it uses less digits than its factorization.

120011210222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280921 (or 280919 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120011210222020 its reverse (20222012110021), we get a palindrome (140233222332041).

The spelling of 120011210222020 in words is "one hundred twenty trillion, eleven billion, two hundred ten million, two hundred twenty-two thousand, twenty".