12122221102 has 16 divisors (see below), whose sum is σ = 18372562560. Its totient is φ = 5998152888.

The previous prime is 12122221063. The next prime is 12122221147. The reversal of 12122221102 is 20112222121.

It is a happy number.

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, 177649 + ... + 236227.

It is an arithmetic number, because the mean of its divisors is an integer number (1148285160).

Almost surely, 2^12122221102 is an apocalyptic number.

12122221102 is a deficient number, since it is larger than the sum of its proper divisors (6250341458).

12122221102 is a wasteful number, since it uses less digits than its factorization.

12122221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59655.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12122221102 its reverse (20112222121), we get a palindrome (32234443223).

The spelling of 12122221102 in words is "twelve billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred two".