221320030322001 has 16 divisors (see below), whose sum is σ = 323788955829696. Its totient is φ = 133627188117696.

The previous prime is 221320030321891. The next prime is 221320030322087. The reversal of 221320030322001 is 100223030023122.

It is a happy number.

221320030322001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 221320030322001 - 2¹⁴ = 221320030305617 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (221320030522001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53536531635 + ... + 53536535768.

It is an arithmetic number, because the mean of its divisors is an integer number (20236809739356).

Almost surely, 2^{221320030322001} is an apocalyptic number.

It is an amenable number.

221320030322001 is a deficient number, since it is larger than the sum of its proper divisors (102468925507695).

221320030322001 is a wasteful number, since it uses less digits than its factorization.

221320030322001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107073067472.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 221320030322001 its reverse (100223030023122), we get a palindrome (321543060345123).

The spelling of 221320030322001 in words is "two hundred twenty-one trillion, three hundred twenty billion, thirty million, three hundred twenty-two thousand, one".