221330111201032 has 32 divisors (see below), whose sum is σ = 415084754561400. Its totient is φ = 110640845721600.

The previous prime is 221330111201021. The next prime is 221330111201041. The reversal of 221330111201032 is 230102111033122.

It can be written as a sum of positive squares in 4 ways, for example, as 179480519997156 + 41849591203876 = 13397034^2 + 6469126^2 .

It is a super-2 number, since 2×221330111201032² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221330111200994 and 221330111201012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 792814432 + ... + 793093552.

Almost surely, 2^{221330111201032} is an apocalyptic number.

It is an amenable number.

221330111201032 is a deficient number, since it is larger than the sum of its proper divisors (193754643360368).

221330111201032 is a wasteful number, since it uses less digits than its factorization.

221330111201032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300457 (or 300453 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 221330111201032 its reverse (230102111033122), we get a palindrome (451432222234154).

The spelling of 221330111201032 in words is "two hundred twenty-one trillion, three hundred thirty billion, one hundred eleven million, two hundred one thousand, thirty-two".