22011202202221 has 8 divisors (see below), whose sum is σ = 22036878287424. Its totient is φ = 21985541011200.

The previous prime is 22011202202191. The next prime is 22011202202281. The reversal of 22011202202221 is 12220220211022.

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 22011202202221 - 2¹³ = 22011202194029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011202202281) 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, 764775 + ... + 6678868.

It is an arithmetic number, because the mean of its divisors is an integer number (2754609785928).

Almost surely, 2^{22011202202221} is an apocalyptic number.

It is an amenable number.

22011202202221 is a deficient number, since it is larger than the sum of its proper divisors (25676085203).

22011202202221 is a wasteful number, since it uses less digits than its factorization.

22011202202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7447091.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22011202202221 its reverse (12220220211022), we get a palindrome (34231422413243).

The spelling of 22011202202221 in words is "twenty-two trillion, eleven billion, two hundred two million, two hundred two thousand, two hundred twenty-one".