221032000001 has 12 divisors (see below), whose sum is σ = 234822182928. Its totient is φ = 208009311552.

The previous prime is 221031999997. The next prime is 221032000003. The reversal of 221032000001 is 100000230122.

It is a happy number.

It is not a de Polignac number, because 221032000001 - 2² = 221031999997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221032000003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3385670 + ... + 3450336.

It is an arithmetic number, because the mean of its divisors is an integer number (19568515244).

Almost surely, 2^221032000001 is an apocalyptic number.

It is an amenable number.

221032000001 is a deficient number, since it is larger than the sum of its proper divisors (13790182927).

221032000001 is a wasteful number, since it uses less digits than its factorization.

221032000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76528 (or 76511 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 221032000001 its reverse (100000230122), we get a palindrome (321032230123).

The spelling of 221032000001 in words is "two hundred twenty-one billion, thirty-two million, one", and thus it is an aban number.