12221122103111 has 16 divisors (see below), whose sum is σ = 12339585982080. Its totient is φ = 12103106901600.

The previous prime is 12221122103101. The next prime is 12221122103161. The reversal of 12221122103111 is 11130122112221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12221122103111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221122103101) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 311005781 + ... + 311045073.

It is an arithmetic number, because the mean of its divisors is an integer number (771224123880).

Almost surely, 2^{12221122103111} is an apocalyptic number.

12221122103111 is a deficient number, since it is larger than the sum of its proper divisors (118463878969).

12221122103111 is a wasteful number, since it uses less digits than its factorization.

12221122103111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44926.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 12221122103111 its reverse (11130122112221), we get a palindrome (23351244215332).

The spelling of 12221122103111 in words is "twelve trillion, two hundred twenty-one billion, one hundred twenty-two million, one hundred three thousand, one hundred eleven".