12122211122102 has 4 divisors (see below), whose sum is σ = 18183316683156. Its totient is φ = 6061105561050.

The previous prime is 12122211122093. The next prime is 12122211122171. The reversal of 12122211122102 is 20122111222121.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3030552780524 + ... + 3030552780527.

It is an arithmetic number, because the mean of its divisors is an integer number (4545829170789).

Almost surely, 2^{12122211122102} is an apocalyptic number.

12122211122102 is a deficient number, since it is larger than the sum of its proper divisors (6061105561054).

12122211122102 is an equidigital number, since it uses as much as digits as its factorization.

12122211122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6061105561053.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 12122211122102 its reverse (20122111222121), we get a palindrome (32244322344223).

The spelling of 12122211122102 in words is "twelve trillion, one hundred twenty-two billion, two hundred eleven million, one hundred twenty-two thousand, one hundred two".