221144303001401 has 32 divisors (see below), whose sum is σ = 251086032785280. Its totient is φ = 193083800025600.

The previous prime is 221144303001337. The next prime is 221144303001449. The reversal of 221144303001401 is 104100303441122.

It is a cyclic number.

It is not a de Polignac number, because 221144303001401 - 2⁶ = 221144303001337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221144303001001) 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, 3058118021 + ... + 3058190333.

It is an arithmetic number, because the mean of its divisors is an integer number (7846438524540).

Almost surely, 2^{221144303001401} is an apocalyptic number.

It is an amenable number.

221144303001401 is a deficient number, since it is larger than the sum of its proper divisors (29941729783879).

221144303001401 is a wasteful number, since it uses less digits than its factorization.

221144303001401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91737.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 221144303001401 its reverse (104100303441122), we get a palindrome (325244606442523).

The spelling of 221144303001401 in words is "two hundred twenty-one trillion, one hundred forty-four billion, three hundred three million, one thousand, four hundred one".