12103221102 has 32 divisors (see below), whose sum is σ = 27674237952. Its totient is φ = 3456846624.

The previous prime is 12103221089. The next prime is 12103221127. The reversal of 12103221102 is 20112230121.

It is a super-2 number, since 2×12103221102² (a number of 21 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 15 ways as a sum of consecutive naturals, for example, 73708 + ... + 172160.

It is an arithmetic number, because the mean of its divisors is an integer number (864819936).

Almost surely, 2^12103221102 is an apocalyptic number.

12103221102 is an abundant number, since it is smaller than the sum of its proper divisors (15571016850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12103221102 is a wasteful number, since it uses less digits than its factorization.

12103221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101392.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12103221102 its reverse (20112230121), we get a palindrome (32215451223).

The spelling of 12103221102 in words is "twelve billion, one hundred three million, two hundred twenty-one thousand, one hundred two".