22110212012001 has 4 divisors (see below), whose sum is σ = 29480282682672. Its totient is φ = 14740141341332.

The previous prime is 22110212011891. The next prime is 22110212012017. The reversal of 22110212012001 is 10021021201122.

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 22110212012001 - 2¹⁰ = 22110212010977 is a prime.

It is a super-2 number, since 2×22110212012001² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22110212017001) 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, 3685035335331 + ... + 3685035335336.

It is an arithmetic number, because the mean of its divisors is an integer number (7370070670668).

Almost surely, 2^{22110212012001} is an apocalyptic number.

It is an amenable number.

22110212012001 is a deficient number, since it is larger than the sum of its proper divisors (7370070670671).

22110212012001 is an equidigital number, since it uses as much as digits as its factorization.

22110212012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7370070670670.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22110212012001 its reverse (10021021201122), we get a palindrome (32131233213123).

The spelling of 22110212012001 in words is "twenty-two trillion, one hundred ten billion, two hundred twelve million, twelve thousand, one".