221023110032 has 10 divisors (see below), whose sum is σ = 428232275718. Its totient is φ = 110511555008.

The previous prime is 221023109999. The next prime is 221023110041. The reversal of 221023110032 is 230011320122.

It can be written as a sum of positive squares in only one way, i.e., 134471823616 + 86551286416 = 366704^2 + 294196^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6906972173 + ... + 6906972204.

Almost surely, 2^221023110032 is an apocalyptic number.

It is an amenable number.

221023110032 is a deficient number, since it is larger than the sum of its proper divisors (207209165686).

221023110032 is a wasteful number, since it uses less digits than its factorization.

221023110032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13813944385 (or 13813944379 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 221023110032 its reverse (230011320122), we get a palindrome (451034430154).

The spelling of 221023110032 in words is "two hundred twenty-one billion, twenty-three million, one hundred ten thousand, thirty-two".