12201111222102 has 80 divisors (see below), whose sum is σ = 29856238541712. Its totient is φ = 3693426266880.

The previous prime is 12201111222061. The next prime is 12201111222109. The reversal of 12201111222102 is 20122211110221.

12201111222102 is a `hidden beast` number, since 1 + 220 + 111 + 122 + 210 + 2 = 666.

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 (12201111222109) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1894023 + ... + 5290514.

Almost surely, 2^{12201111222102} is an apocalyptic number.

12201111222102 is an abundant number, since it is smaller than the sum of its proper divisors (17655127319610).

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

12201111222102 is a wasteful number, since it uses less digits than its factorization.

12201111222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7185515 (or 7185506 counting only the distinct ones).

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

Adding to 12201111222102 its reverse (20122211110221), we get a palindrome (32323322332323).

The spelling of 12201111222102 in words is "twelve trillion, two hundred one billion, one hundred eleven million, two hundred twenty-two thousand, one hundred two".