2201100021120 has 1536 divisors, whose sum is σ = 9731932738560. Its totient is φ = 410605977600.

The previous prime is 2201100021073. The next prime is 2201100021149. The reversal of 2201100021120 is 211200011022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2201100021096 and 2201100021105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 924442330 + ... + 924444710.

It is an arithmetic number, because the mean of its divisors is an integer number (6335893710).

Almost surely, 2^{2201100021120} is an apocalyptic number.

2201100021120 is a gapful number since it is divisible by the number (20) 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 2201100021120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4865966369280).

2201100021120 is an abundant number, since it is smaller than the sum of its proper divisors (7530832717440).

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

2201100021120 is a wasteful number, since it uses less digits than its factorization.

2201100021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484 (or 2459 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2201100021120 its reverse (211200011022), we get a palindrome (2412300032142).

The spelling of 2201100021120 in words is "two trillion, two hundred one billion, one hundred million, twenty-one thousand, one hundred twenty".