22011100012001 has 4 divisors (see below), whose sum is σ = 22013009548992. Its totient is φ = 22009190475012.

The previous prime is 22011100011959. The next prime is 22011100012007. The reversal of 22011100012001 is 10021000111022.

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 a cyclic number.

It is not a de Polignac number, because 22011100012001 - 2¹⁴ = 22011099995617 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 (22011100012007) 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, 954751205 + ... + 954774258.

It is an arithmetic number, because the mean of its divisors is an integer number (5503252387248).

Almost surely, 2^{22011100012001} is an apocalyptic number.

It is an amenable number.

22011100012001 is a deficient number, since it is larger than the sum of its proper divisors (1909536991).

22011100012001 is a wasteful number, since it uses less digits than its factorization.

22011100012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909536990.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22011100012001 its reverse (10021000111022), we get a palindrome (32032100123023).

The spelling of 22011100012001 in words is "twenty-two trillion, eleven billion, one hundred million, twelve thousand, one".