221102011012 has 12 divisors (see below), whose sum is σ = 407293178320. Its totient is φ = 104732531496.

The previous prime is 221102010989. The next prime is 221102011049. The reversal of 221102011012 is 210110201122.

It is a junction number, because it is equal to n+sod(n) for n = 221102010983 and 221102011001.

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, 1454618418 + ... + 1454618569.

Almost surely, 2^221102011012 is an apocalyptic number.

It is an amenable number.

221102011012 is a deficient number, since it is larger than the sum of its proper divisors (186191167308).

221102011012 is a wasteful number, since it uses less digits than its factorization.

221102011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2909237010 (or 2909237008 counting only the distinct ones).

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

Adding to 221102011012 its reverse (210110201122), we get a palindrome (431212212134).

The spelling of 221102011012 in words is "two hundred twenty-one billion, one hundred two million, eleven thousand, twelve".