22110201111221 has 8 divisors (see below), whose sum is σ = 22538293332480. Its totient is φ = 21685493018592.

The previous prime is 22110201111211. The next prime is 22110201111283. The reversal of 22110201111221 is 12211110201122.

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 22110201111221 - 2⁶ = 22110201111157 is a prime.

It is a super-2 number, since 2×22110201111221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22110201111221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110201111211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846018965 + ... + 846045098.

It is an arithmetic number, because the mean of its divisors is an integer number (2817286666560).

Almost surely, 2^{22110201111221} is an apocalyptic number.

It is an amenable number.

22110201111221 is a deficient number, since it is larger than the sum of its proper divisors (428092221259).

22110201111221 is a wasteful number, since it uses less digits than its factorization.

22110201111221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692064315.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22110201111221 its reverse (12211110201122), we get a palindrome (34321311312343).

The spelling of 22110201111221 in words is "twenty-two trillion, one hundred ten billion, two hundred one million, one hundred eleven thousand, two hundred twenty-one".