12212201121102 has 16 divisors (see below), whose sum is σ = 27138224713680. Its totient is φ = 4070733707016.

The previous prime is 12212201121101. The next prime is 12212201121103. The reversal of 12212201121102 is 20112110221221.

12212201121102 is a `hidden beast` number, since 1 + 221 + 220 + 1 + 121 + 102 = 666.

It is an interprime number because it is at equal distance from previous prime (12212201121101) and next prime (12212201121103).

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 (12212201121101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113075936253 + ... + 113075936360.

It is an arithmetic number, because the mean of its divisors is an integer number (1696139044605).

Almost surely, 2^{12212201121102} is an apocalyptic number.

12212201121102 is an abundant number, since it is smaller than the sum of its proper divisors (14926023592578).

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

12212201121102 is a wasteful number, since it uses less digits than its factorization.

12212201121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226151872624 (or 226151872618 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12212201121102 its reverse (20112110221221), we get a palindrome (32324311342323).

The spelling of 12212201121102 in words is "twelve trillion, two hundred twelve billion, two hundred one million, one hundred twenty-one thousand, one hundred two".