22111020112001 has 8 divisors (see below), whose sum is σ = 22897524078504. Its totient is φ = 21338194475520.

The previous prime is 22111020111941. The next prime is 22111020112003. The reversal of 22111020112001 is 10021102011122.

It can be written as a sum of positive squares in 4 ways, for example, as 1080321178225 + 21030698933776 = 1039385^2 + 4585924^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22111020112001 - 2²⁶ = 22110953003137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22111020112003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3419579216 + ... + 3419585681.

It is an arithmetic number, because the mean of its divisors is an integer number (2862190509813).

Almost surely, 2^{22111020112001} is an apocalyptic number.

It is an amenable number.

22111020112001 is a deficient number, since it is larger than the sum of its proper divisors (786503966503).

22111020112001 is an equidigital number, since it uses as much as digits as its factorization.

22111020112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6839165011.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22111020112001 its reverse (10021102011122), we get a palindrome (32132122123123).

The spelling of 22111020112001 in words is "twenty-two trillion, one hundred eleven billion, twenty million, one hundred twelve thousand, one".