221012324201001 has 8 divisors (see below), whose sum is σ = 294711436614400. Its totient is φ = 147327380627472.

The previous prime is 221012324200991. The next prime is 221012324201027. The reversal of 221012324201001 is 100102423210122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 221012324201001 - 2²¹ = 221012322103849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (221012324211001) 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, 3542173570 + ... + 3542235963.

It is an arithmetic number, because the mean of its divisors is an integer number (36838929576800).

Almost surely, 2^{221012324201001} is an apocalyptic number.

It is an amenable number.

221012324201001 is a deficient number, since it is larger than the sum of its proper divisors (73699112413399).

221012324201001 is a wasteful number, since it uses less digits than its factorization.

221012324201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7084419935.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 221012324201001 its reverse (100102423210122), we get a palindrome (321114747411123).

The spelling of 221012324201001 in words is "two hundred twenty-one trillion, twelve billion, three hundred twenty-four million, two hundred one thousand, one".