22111001100111 has 16 divisors (see below), whose sum is σ = 36755949881088. Its totient is φ = 11486234337600.

The previous prime is 22111001100103. The next prime is 22111001100121. The reversal of 22111001100111 is 11100110011122.

It is not a de Polignac number, because 22111001100111 - 2³ = 22111001100103 is a prime.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111001100101) 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, 47859309510 + ... + 47859309971.

It is an arithmetic number, because the mean of its divisors is an integer number (2297246867568).

Almost surely, 2^{22111001100111} is an apocalyptic number.

22111001100111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22111001100111 is a deficient number, since it is larger than the sum of its proper divisors (14644948780977).

22111001100111 is a wasteful number, since it uses less digits than its factorization.

22111001100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95718619502.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 22111001100111 its reverse (11100110011122), we get a palindrome (33211111111233).

It can be divided in two parts, 22 and 111001100111, that multiplied together give a palindrome (2442024202442).

The spelling of 22111001100111 in words is "twenty-two trillion, one hundred eleven billion, one million, one hundred thousand, one hundred eleven".