22111010033221 has 8 divisors (see below), whose sum is σ = 23808465440640. Its totient is φ = 20457644376768.

The previous prime is 22111010033197. The next prime is 22111010033243. The reversal of 22111010033221 is 12233001011122.

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 22111010033221 - 2¹⁹ = 22111009508933 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 (22111010033821) 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, 11022436701 + ... + 11022438706.

It is an arithmetic number, because the mean of its divisors is an integer number (2976058180080).

Almost surely, 2^{22111010033221} is an apocalyptic number.

It is an amenable number.

22111010033221 is a deficient number, since it is larger than the sum of its proper divisors (1697455407419).

22111010033221 is a wasteful number, since it uses less digits than its factorization.

22111010033221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22044875483.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 22111010033221 its reverse (12233001011122), we get a palindrome (34344011044343).

The spelling of 22111010033221 in words is "twenty-two trillion, one hundred eleven billion, ten million, thirty-three thousand, two hundred twenty-one".