12211022102 has 4 divisors (see below), whose sum is σ = 18316533156. Its totient is φ = 6105511050.

The previous prime is 12211022101. The next prime is 12211022113. The reversal of 12211022102 is 20122011221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20122011221 = 13 ⋅1547847017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211022101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3052755524 + ... + 3052755527.

It is an arithmetic number, because the mean of its divisors is an integer number (4579133289).

Almost surely, 2^12211022102 is an apocalyptic number.

12211022102 is a deficient number, since it is larger than the sum of its proper divisors (6105511054).

12211022102 is an equidigital number, since it uses as much as digits as its factorization.

12211022102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6105511053.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12211022102 its reverse (20122011221), we get a palindrome (32333033323).

The spelling of 12211022102 in words is "twelve billion, two hundred eleven million, twenty-two thousand, one hundred two".