221000011101112 has 32 divisors (see below), whose sum is σ = 420054878033280. Its totient is φ = 108985402091520.

The previous prime is 221000011101047. The next prime is 221000011101137. The reversal of 221000011101112 is 211101110000122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 221000011101092 and 221000011101101.

It is a congruent number.

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, 71767048 + ... + 74783080.

It is an arithmetic number, because the mean of its divisors is an integer number (13126714938540).

Almost surely, 2^{221000011101112} is an apocalyptic number.

It is an amenable number.

221000011101112 is a deficient number, since it is larger than the sum of its proper divisors (199054866932168).

221000011101112 is a wasteful number, since it uses less digits than its factorization.

221000011101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141583 (or 3141579 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 221000011101112 its reverse (211101110000122), we get a palindrome (432101121101234).

The spelling of 221000011101112 in words is "two hundred twenty-one trillion, eleven million, one hundred one thousand, one hundred twelve".