221063944803 has 32 divisors (see below), whose sum is σ = 350710166016. Its totient is φ = 122470199808.

The previous prime is 221063944747. The next prime is 221063944811. The reversal of 221063944803 is 308449360122.

It is not a de Polignac number, because 221063944803 - 2¹² = 221063940707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221063944823) 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, 7233225 + ... + 7263722.

It is an arithmetic number, because the mean of its divisors is an integer number (10959692688).

Almost surely, 2^221063944803 is an apocalyptic number.

221063944803 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

221063944803 is a deficient number, since it is larger than the sum of its proper divisors (129646221213).

221063944803 is a wasteful number, since it uses less digits than its factorization.

221063944803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14497003.

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 221063944803 in words is "two hundred twenty-one billion, sixty-three million, nine hundred forty-four thousand, eight hundred three".