22011200011111 has 16 divisors (see below), whose sum is σ = 22809648107520. Its totient is φ = 21227039710240.

The previous prime is 22011200011103. The next prime is 22011200011123. The reversal of 22011200011111 is 11111000211022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22011200011111 - 2³ = 22011200011103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22011200011091 and 22011200011100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011200018111) 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, 23247906 + ... + 24176176.

It is an arithmetic number, because the mean of its divisors is an integer number (1425603006720).

Almost surely, 2^{22011200011111} is an apocalyptic number.

22011200011111 is a deficient number, since it is larger than the sum of its proper divisors (798448096409).

22011200011111 is an equidigital number, since it uses as much as digits as its factorization.

22011200011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935966.

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

Adding to 22011200011111 its reverse (11111000211022), we get a palindrome (33122200222133).

The spelling of 22011200011111 in words is "twenty-two trillion, eleven billion, two hundred million, eleven thousand, one hundred eleven".