221030112231201 has 32 divisors (see below), whose sum is σ = 364557280082688. Its totient is φ = 115995498151680.

The previous prime is 221030112231169. The next prime is 221030112231209. The reversal of 221030112231201 is 102132211030122.

It is not a de Polignac number, because 221030112231201 - 2⁵ = 221030112231169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (221030112231209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2054855130 + ... + 2054962691.

It is an arithmetic number, because the mean of its divisors is an integer number (11392415002584).

Almost surely, 2^{221030112231201} is an apocalyptic number.

221030112231201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

221030112231201 is a deficient number, since it is larger than the sum of its proper divisors (143527167851487).

221030112231201 is a wasteful number, since it uses less digits than its factorization.

221030112231201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4109818041.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 221030112231201 its reverse (102132211030122), we get a palindrome (323162323261323).

The spelling of 221030112231201 in words is "two hundred twenty-one trillion, thirty billion, one hundred twelve million, two hundred thirty-one thousand, two hundred one".