2200032121100 has 144 divisors (see below), whose sum is σ = 5501107239936. Its totient is φ = 756199584000.

The previous prime is 2200032121093. The next prime is 2200032121103. The reversal of 2200032121100 is 11212300022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2200032121103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 716102 + ... + 2216498.

Almost surely, 2^{2200032121100} is an apocalyptic number.

2200032121100 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 2200032121100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2750553619968).

2200032121100 is an abundant number, since it is smaller than the sum of its proper divisors (3301075118836).

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

2200032121100 is a wasteful number, since it uses less digits than its factorization.

2200032121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500496 (or 1500489 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2200032121100 its reverse (11212300022), we get a palindrome (2211244421122).

The spelling of 2200032121100 in words is "two trillion, two hundred billion, thirty-two million, one hundred twenty-one thousand, one hundred".