221120110000012 has 6 divisors (see below), whose sum is σ = 386960192500028. Its totient is φ = 110560055000004.

The previous prime is 221120110000007. The next prime is 221120110000021. The reversal of 221120110000012 is 210000011021122.

It is a junction number, because it is equal to n+sod(n) for n = 221120109999947 and 221120110000001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27640013749998 + ... + 27640013750005.

Almost surely, 2^{221120110000012} is an apocalyptic number.

It is an amenable number.

221120110000012 is a deficient number, since it is larger than the sum of its proper divisors (165840082500016).

221120110000012 is a wasteful number, since it uses less digits than its factorization.

221120110000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55280027500007 (or 55280027500005 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 221120110000012 its reverse (210000011021122), we get a palindrome (431120121021134).

The spelling of 221120110000012 in words is "two hundred twenty-one trillion, one hundred twenty billion, one hundred ten million, twelve", and thus it is an aban number.