22001112101111 has 64 divisors (see below), whose sum is σ = 26640794194560. Its totient is φ = 17901471744000.

The previous prime is 22001112100997. The next prime is 22001112101147. The reversal of 22001112101111 is 11110121110022.

It is not a de Polignac number, because 22001112101111 - 2¹⁴ = 22001112084727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001112101611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1987627685 + ... + 1987638753.

It is an arithmetic number, because the mean of its divisors is an integer number (416262409290).

Almost surely, 2^{22001112101111} is an apocalyptic number.

22001112101111 is a deficient number, since it is larger than the sum of its proper divisors (4639682093449).

22001112101111 is a wasteful number, since it uses less digits than its factorization.

22001112101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13188.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 22001112101111 its reverse (11110121110022), we get a palindrome (33111233211133).

The spelling of 22001112101111 in words is "twenty-two trillion, one billion, one hundred twelve million, one hundred one thousand, one hundred eleven".