22111000112001 has 4 divisors (see below), whose sum is σ = 29481333482672. Its totient is φ = 14740666741332.

The previous prime is 22111000111997. The next prime is 22111000112009. The reversal of 22111000112001 is 10021100011122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22111000112001 - 2² = 22111000111997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22111000112009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3685166685331 + ... + 3685166685336.

It is an arithmetic number, because the mean of its divisors is an integer number (7370333370668).

Almost surely, 2^{22111000112001} is an apocalyptic number.

It is an amenable number.

22111000112001 is a deficient number, since it is larger than the sum of its proper divisors (7370333370671).

22111000112001 is an equidigital number, since it uses as much as digits as its factorization.

22111000112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7370333370670.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 22111000112001 its reverse (10021100011122), we get a palindrome (32132100123123).

The spelling of 22111000112001 in words is "twenty-two trillion, one hundred eleven billion, one hundred twelve thousand, one".