120100022200 has 96 divisors (see below), whose sum is σ = 294133852800. Its totient is φ = 45479871360.

The previous prime is 120100022197. The next prime is 120100022201. The reversal of 120100022200 is 2220001021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120100022201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5853159 + ... + 5873641.

It is an arithmetic number, because the mean of its divisors is an integer number (3063894300).

Almost surely, 2^120100022200 is an apocalyptic number.

120100022200 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 120100022200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147066926400).

120100022200 is an abundant number, since it is smaller than the sum of its proper divisors (174033830600).

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

120100022200 is a wasteful number, since it uses less digits than its factorization.

120100022200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22061 (or 22052 counting only the distinct ones).

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

Adding to 120100022200 its reverse (2220001021), we get a palindrome (122320023221).

The spelling of 120100022200 in words is "one hundred twenty billion, one hundred million, twenty-two thousand, two hundred".