122221100002111 has 32 divisors (see below), whose sum is σ = 140616739984896. Its totient is φ = 105144518160000.

The previous prime is 122221100002081. The next prime is 122221100002123. The reversal of 122221100002111 is 111200001122221.

It is not a de Polignac number, because 122221100002111 - 2⁹ = 122221100001599 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 (122221100002711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30758416 + ... + 34503946.

It is an arithmetic number, because the mean of its divisors is an integer number (4394273124528).

Almost surely, 2^{122221100002111} is an apocalyptic number.

122221100002111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122221100002111 is a deficient number, since it is larger than the sum of its proper divisors (18395639982785).

122221100002111 is a wasteful number, since it uses less digits than its factorization.

122221100002111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3746943.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122221100002111 its reverse (111200001122221), we get a palindrome (233421101124332).

The spelling of 122221100002111 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, one hundred million, two thousand, one hundred eleven".