221046332063 has 4 divisors (see below), whose sum is σ = 232680349560. Its totient is φ = 209412314568.

The previous prime is 221046332053. The next prime is 221046332069. The reversal of 221046332063 is 360233640122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 360233640122 = 2 ⋅180116820061.

It is a cyclic number.

It is not a de Polignac number, because 221046332063 - 2²⁸ = 220777896607 is a prime.

It is a super-2 number, since 2×221046332063² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221046332069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5817008720 + ... + 5817008757.

It is an arithmetic number, because the mean of its divisors is an integer number (58170087390).

Almost surely, 2^221046332063 is an apocalyptic number.

221046332063 is a deficient number, since it is larger than the sum of its proper divisors (11634017497).

221046332063 is a wasteful number, since it uses less digits than its factorization.

221046332063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11634017496.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 221046332063 its reverse (360233640122), we get a palindrome (581279972185).

The spelling of 221046332063 in words is "two hundred twenty-one billion, forty-six million, three hundred thirty-two thousand, sixty-three".