221012200001 has 8 divisors (see below), whose sum is σ = 232662326400. Its totient is φ = 209532148672.

The previous prime is 221012199979. The next prime is 221012200021. The reversal of 221012200001 is 100002210122.

It is a happy number.

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 221012200001 - 2²² = 221008005697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221012200021) 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, 42516101 + ... + 42521298.

It is an arithmetic number, because the mean of its divisors is an integer number (29082790800).

Almost surely, 2^221012200001 is an apocalyptic number.

It is an amenable number.

221012200001 is a deficient number, since it is larger than the sum of its proper divisors (11650126399).

221012200001 is a wasteful number, since it uses less digits than its factorization.

221012200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85037535.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 221012200001 its reverse (100002210122), we get a palindrome (321014410123).

The spelling of 221012200001 in words is "two hundred twenty-one billion, twelve million, two hundred thousand, one".