120022100000 has 144 divisors (see below), whose sum is σ = 322200752832. Its totient is φ = 43644000000.

The previous prime is 120022099999. The next prime is 120022100053. The reversal of 120022100000 is 1220021.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1045445 + ... + 1154555.

It is an arithmetic number, because the mean of its divisors is an integer number (2237505228).

Almost surely, 2^120022100000 is an apocalyptic number.

120022100000 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 120022100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161100376416).

120022100000 is an abundant number, since it is smaller than the sum of its proper divisors (202178652832).

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

120022100000 is an equidigital number, since it uses as much as digits as its factorization.

120022100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109157 (or 109129 counting only the distinct ones).

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

Adding to 120022100000 its reverse (1220021), we get a palindrome (120023320021).

It can be divided in two parts, 120022 and 100000, that added together give a palindrome (220022).

The spelling of 120022100000 in words is "one hundred twenty billion, twenty-two million, one hundred thousand".