22111020001111 has 16 divisors (see below), whose sum is σ = 22159462422528. Its totient is φ = 22062651408000.

The previous prime is 22111020001093. The next prime is 22111020001117. The reversal of 22111020001111 is 11110002011122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22111020001111 - 2⁵ = 22111020001079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22111020001091 and 22111020001100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111020001117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3369038316 + ... + 3369044878.

It is an arithmetic number, because the mean of its divisors is an integer number (1384966401408).

Almost surely, 2^{22111020001111} is an apocalyptic number.

22111020001111 is a deficient number, since it is larger than the sum of its proper divisors (48442421417).

22111020001111 is a wasteful number, since it uses less digits than its factorization.

22111020001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11142.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 22111020001111 its reverse (11110002011122), we get a palindrome (33221022012233).

The spelling of 22111020001111 in words is "twenty-two trillion, one hundred eleven billion, twenty million, one thousand, one hundred eleven".