221420011313 has 16 divisors (see below), whose sum is σ = 224442187200. Its totient is φ = 218414063616.

The previous prime is 221420011291. The next prime is 221420011331. The reversal of 221420011313 is 313110024122.

It is a cyclic number.

It is not a de Polignac number, because 221420011313 - 2¹⁰ = 221420010289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221420011343) 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, 51695270 + ... + 51699552.

It is an arithmetic number, because the mean of its divisors is an integer number (14027636700).

Almost surely, 2^221420011313 is an apocalyptic number.

It is an amenable number.

221420011313 is a deficient number, since it is larger than the sum of its proper divisors (3022175887).

221420011313 is a wasteful number, since it uses less digits than its factorization.

221420011313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6016.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 221420011313 its reverse (313110024122), we get a palindrome (534530035435).

The spelling of 221420011313 in words is "two hundred twenty-one billion, four hundred twenty million, eleven thousand, three hundred thirteen".