12221002221102 has 12 divisors (see below), whose sum is σ = 26478838145760. Its totient is φ = 4073667407028.

The previous prime is 12221002221101. The next prime is 12221002221119. The reversal of 12221002221102 is 20112220012221.

It is a happy number.

12221002221102 is a `hidden beast` number, since 122 + 210 + 0 + 222 + 110 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 678944567839 = 12221002221102 / (1 + 2 + 2 + 2 + 1 + 0 + 0 + 2 + 2 + 2 + 1 + 1 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221002221101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 339472283902 + ... + 339472283937.

It is an arithmetic number, because the mean of its divisors is an integer number (2206569845480).

Almost surely, 2^{12221002221102} is an apocalyptic number.

12221002221102 is an abundant number, since it is smaller than the sum of its proper divisors (14257835924658).

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

12221002221102 is a wasteful number, since it uses less digits than its factorization.

12221002221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678944567847 (or 678944567844 counting only the distinct ones).

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

Adding to 12221002221102 its reverse (20112220012221), we get a palindrome (32333222233323).

The spelling of 12221002221102 in words is "twelve trillion, two hundred twenty-one billion, two million, two hundred twenty-one thousand, one hundred two".