3201100221243 has 4 divisors (see below), whose sum is σ = 4268133628328. Its totient is φ = 2134066814160.

The previous prime is 3201100221199. The next prime is 3201100221259. The reversal of 3201100221243 is 3421220011023.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3201100221243 - 2²⁸ = 3200831785787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3201100221283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533516703538 + ... + 533516703543.

It is an arithmetic number, because the mean of its divisors is an integer number (1067033407082).

Almost surely, 2^{3201100221243} is an apocalyptic number.

3201100221243 is a deficient number, since it is larger than the sum of its proper divisors (1067033407085).

3201100221243 is a wasteful number, since it uses less digits than its factorization.

3201100221243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067033407084.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 3201100221243 its reverse (3421220011023), we get a palindrome (6622320232266).

The spelling of 3201100221243 in words is "three trillion, two hundred one billion, one hundred million, two hundred twenty-one thousand, two hundred forty-three".