221110021112 has 16 divisors (see below), whose sum is σ = 416546133000. Its totient is φ = 110031052320.

The previous prime is 221110021109. The next prime is 221110021151. The reversal of 221110021112 is 211120011122.

It is a super-2 number, since 2×221110021112² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65492987 + ... + 65496362.

Almost surely, 2^221110021112 is an apocalyptic number.

It is an amenable number.

221110021112 is a deficient number, since it is larger than the sum of its proper divisors (195436111888).

221110021112 is a wasteful number, since it uses less digits than its factorization.

221110021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130989566 (or 130989562 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 221110021112 its reverse (211120011122), we get a palindrome (432230032234).

The spelling of 221110021112 in words is "two hundred twenty-one billion, one hundred ten million, twenty-one thousand, one hundred twelve".