22111020211201 has 4 divisors (see below), whose sum is σ = 22118462496304. Its totient is φ = 22103577926100.

The previous prime is 22111020211177. The next prime is 22111020211213. The reversal of 22111020211201 is 10211202011122.

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 22111020211201 - 2¹⁹ = 22111019686913 is a prime.

It is a super-2 number, since 2×22111020211201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22111020218201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3721138095 + ... + 3721144036.

It is an arithmetic number, because the mean of its divisors is an integer number (5529615624076).

Almost surely, 2^{22111020211201} is an apocalyptic number.

It is an amenable number.

22111020211201 is a deficient number, since it is larger than the sum of its proper divisors (7442285103).

22111020211201 is an equidigital number, since it uses as much as digits as its factorization.

22111020211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7442285102.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22111020211201 its reverse (10211202011122), we get a palindrome (32322222222323).

The spelling of 22111020211201 in words is "twenty-two trillion, one hundred eleven billion, twenty million, two hundred eleven thousand, two hundred one".