12221021022102 has 20 divisors (see below), whose sum is σ = 27384139698036. Its totient is φ = 4073673673980.

The previous prime is 12221021022101. The next prime is 12221021022103. The reversal of 12221021022102 is 20122012012221.

It is a happy number.

12221021022102 is a `hidden beast` number, since 1 + 22 + 210 + 210 + 221 + 0 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (12221021022101) and next prime (12221021022103).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221021022101) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 37719200524 + ... + 37719200847.

Almost surely, 2^{12221021022102} is an apocalyptic number.

12221021022102 is an abundant number, since it is smaller than the sum of its proper divisors (15163118675934).

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

12221021022102 is an equidigital number, since it uses as much as digits as its factorization.

12221021022102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75438401385 (or 75438401376 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12221021022102 its reverse (20122012012221), we get a palindrome (32343033034323).

The spelling of 12221021022102 in words is "twelve trillion, two hundred twenty-one billion, twenty-one million, twenty-two thousand, one hundred two".