2200120421 has 8 divisors (see below), whose sum is σ = 2218586784. Its totient is φ = 2181730320.

The previous prime is 2200120357. The next prime is 2200120423. The reversal of 2200120421 is 1240210022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2200120421 - 2⁶ = 2200120357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2200120396 and 2200120405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200120423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39626 + ... + 77268.

It is an arithmetic number, because the mean of its divisors is an integer number (277323348).

Almost surely, 2^2200120421 is an apocalyptic number.

It is an amenable number.

2200120421 is a deficient number, since it is larger than the sum of its proper divisors (18466363).

2200120421 is a wasteful number, since it uses less digits than its factorization.

2200120421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38131.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2200120421 is about 46905.4412728417. The cubic root of 2200120421 is about 1300.6151764976.

Adding to 2200120421 its reverse (1240210022), we get a palindrome (3440330443).

The spelling of 2200120421 in words is "two billion, two hundred million, one hundred twenty thousand, four hundred twenty-one".