22211201130221 has 8 divisors (see below), whose sum is σ = 22987125229080. Its totient is φ = 21435945072192.

The previous prime is 22211201130193. The next prime is 22211201130259. The reversal of 22211201130221 is 12203110211222.

It can be written as a sum of positive squares in 4 ways, for example, as 6392174475625 + 15819026654596 = 2528275^2 + 3977314^2 .

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 22211201130221 - 2¹⁴ = 22211201113837 is a prime.

It is a super-4 number, since 4×22211201130221⁴ (a number of 54 digits) contains 4444 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22211201130193 and 22211201130202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211201130421) 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, 166942550 + ... + 167075543.

It is an arithmetic number, because the mean of its divisors is an integer number (2873390653635).

Almost surely, 2^{22211201130221} is an apocalyptic number.

It is an amenable number.

22211201130221 is a deficient number, since it is larger than the sum of its proper divisors (775924098859).

22211201130221 is a wasteful number, since it uses less digits than its factorization.

22211201130221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334020415.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 22211201130221 its reverse (12203110211222), we get a palindrome (34414311341443).

The spelling of 22211201130221 in words is "twenty-two trillion, two hundred eleven billion, two hundred one million, one hundred thirty thousand, two hundred twenty-one".