12211222102 has 16 divisors (see below), whose sum is σ = 18351806832. Its totient is φ = 6093966240.

The previous prime is 12211222069. The next prime is 12211222117. The reversal of 12211222102 is 20122211221.

It is a happy number.

It is a super-2 number, since 2×12211222102² (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 7 ways as a sum of consecutive naturals, for example, 3034852 + ... + 3038872.

It is an arithmetic number, because the mean of its divisors is an integer number (1146987927).

Almost surely, 2^12211222102 is an apocalyptic number.

12211222102 is a deficient number, since it is larger than the sum of its proper divisors (6140584730).

12211222102 is a wasteful number, since it uses less digits than its factorization.

12211222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6543.

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

Adding to 12211222102 its reverse (20122211221), we get a palindrome (32333433323).

The spelling of 12211222102 in words is "twelve billion, two hundred eleven million, two hundred twenty-two thousand, one hundred two".