221102000012 has 6 divisors (see below), whose sum is σ = 386928500028. Its totient is φ = 110551000004.

The previous prime is 221101999999. The next prime is 221102000029. The reversal of 221102000012 is 210000201122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 221101999957 and 221102000002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27637749998 + ... + 27637750005.

It is an arithmetic number, because the mean of its divisors is an integer number (64488083338).

Almost surely, 2^221102000012 is an apocalyptic number.

It is an amenable number.

221102000012 is a deficient number, since it is larger than the sum of its proper divisors (165826500016).

221102000012 is a wasteful number, since it uses less digits than its factorization.

221102000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55275500007 (or 55275500005 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 221102000012 its reverse (210000201122), we get a palindrome (431102201134).

The spelling of 221102000012 in words is "two hundred twenty-one billion, one hundred two million, twelve", and thus it is an aban number.