3201031221011 has 32 divisors (see below), whose sum is σ = 3496328297280. Its totient is φ = 2912905695744.

The previous prime is 3201031220987. The next prime is 3201031221067. The reversal of 3201031221011 is 1101221301023.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3201031221011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3201031221071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1789284305 + ... + 1789286093.

It is an arithmetic number, because the mean of its divisors is an integer number (109260259290).

Almost surely, 2^{3201031221011} is an apocalyptic number.

3201031221011 is a deficient number, since it is larger than the sum of its proper divisors (295297076269).

3201031221011 is a wasteful number, since it uses less digits than its factorization.

3201031221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4535.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 3201031221011 its reverse (1101221301023), we get a palindrome (4302252522034).

The spelling of 3201031221011 in words is "three trillion, two hundred one billion, thirty-one million, two hundred twenty-one thousand, eleven".