120002022100 has 144 divisors (see below), whose sum is σ = 282529139200. Its totient is φ = 44093185920.

The previous prime is 120002022073. The next prime is 120002022121. The reversal of 120002022100 is 1220200021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11351017 + ... + 11361583.

Almost surely, 2^120002022100 is an apocalyptic number.

120002022100 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 120002022100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141264569600).

120002022100 is an abundant number, since it is smaller than the sum of its proper divisors (162527117100).

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

120002022100 is a wasteful number, since it uses less digits than its factorization.

120002022100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10782 (or 10775 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 120002022100 its reverse (1220200021), we get a palindrome (121222222121).

The spelling of 120002022100 in words is "one hundred twenty billion, two million, twenty-two thousand, one hundred".