22120000001111 has 32 divisors (see below), whose sum is σ = 23328062892288. Its totient is φ = 20953760405760.

The previous prime is 22120000001081. The next prime is 22120000001119. The reversal of 22120000001111 is 11110000002122.

It is a de Polignac number, because none of the positive numbers 2^k-22120000001111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22120000001092 and 22120000001101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120000001119) 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 31 ways as a sum of consecutive naturals, for example, 111341576 + ... + 111540066.

It is an arithmetic number, because the mean of its divisors is an integer number (729001965384).

Almost surely, 2^{22120000001111} is an apocalyptic number.

22120000001111 is a deficient number, since it is larger than the sum of its proper divisors (1208062891177).

22120000001111 is a wasteful number, since it uses less digits than its factorization.

22120000001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199151.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22120000001111 its reverse (11110000002122), we get a palindrome (33230000003233).

The spelling of 22120000001111 in words is "twenty-two trillion, one hundred twenty billion, one thousand, one hundred eleven".