3200121200221 has 8 divisors (see below), whose sum is σ = 3491437989024. Its totient is φ = 2908870524720.

The previous prime is 3200121200209. The next prime is 3200121200233. The reversal of 3200121200221 is 1220021210023.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3200121200209) and next prime (3200121200233).

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 3200121200221 - 2⁵ = 3200121200189 is a prime.

It is a super-2 number, since 2×3200121200221² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3200121200195 and 3200121200204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3200121200261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16427086 + ... + 16620751.

It is an arithmetic number, because the mean of its divisors is an integer number (436429748628).

Almost surely, 2^{3200121200221} is an apocalyptic number.

It is an amenable number.

3200121200221 is a deficient number, since it is larger than the sum of its proper divisors (291316788803).

3200121200221 is a wasteful number, since it uses less digits than its factorization.

3200121200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33056651.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 3200121200221 its reverse (1220021210023), we get a palindrome (4420142410244).

The spelling of 3200121200221 in words is "three trillion, two hundred billion, one hundred twenty-one million, two hundred thousand, two hundred twenty-one".