22211314214221 has 32 divisors (see below), whose sum is σ = 24818650053120. Its totient is φ = 19707976512000.

The previous prime is 22211314214137. The next prime is 22211314214231. The reversal of 22211314214221 is 12241241311222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22211314214221 - 2⁷ = 22211314214093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22211314214221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211314214231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156701260 + ... + 156842938.

It is an arithmetic number, because the mean of its divisors is an integer number (775582814160).

Almost surely, 2^{22211314214221} is an apocalyptic number.

It is an amenable number.

22211314214221 is a deficient number, since it is larger than the sum of its proper divisors (2607335838899).

22211314214221 is a wasteful number, since it uses less digits than its factorization.

22211314214221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143797.

The product of its digits is 3072, while the sum is 28.

Adding to 22211314214221 its reverse (12241241311222), we get a palindrome (34452555525443).

The spelling of 22211314214221 in words is "twenty-two trillion, two hundred eleven billion, three hundred fourteen million, two hundred fourteen thousand, two hundred twenty-one".