22011011020221 has 8 divisors (see below), whose sum is σ = 29495492155200. Its totient is φ = 14600268616032.

The previous prime is 22011011020217. The next prime is 22011011020249. The reversal of 22011011020221 is 12202011011022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22011011020221 - 2² = 22011011020217 is a prime.

It is a super-2 number, since 2×22011011020221² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22011011020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011011020021) 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, 18434682000 + ... + 18434683193.

It is an arithmetic number, because the mean of its divisors is an integer number (3686936519400).

Almost surely, 2^{22011011020221} is an apocalyptic number.

It is an amenable number.

22011011020221 is a deficient number, since it is larger than the sum of its proper divisors (7484481134979).

22011011020221 is a wasteful number, since it uses less digits than its factorization.

22011011020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36869365395.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22011011020221 its reverse (12202011011022), we get a palindrome (34213022031243).

The spelling of 22011011020221 in words is "twenty-two trillion, eleven billion, eleven million, twenty thousand, two hundred twenty-one".