22122221221101 has 8 divisors (see below), whose sum is σ = 31231371135744. Its totient is φ = 13880609393600.

The previous prime is 22122221221099. The next prime is 22122221221201. The reversal of 22122221221101 is 10112212222122.

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 22122221221101 - 2¹ = 22122221221099 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122221221201) 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, 216884521725 + ... + 216884521826.

It is an arithmetic number, because the mean of its divisors is an integer number (3903921391968).

Almost surely, 2^{22122221221101} is an apocalyptic number.

It is an amenable number.

22122221221101 is a deficient number, since it is larger than the sum of its proper divisors (9109149914643).

22122221221101 is a wasteful number, since it uses less digits than its factorization.

22122221221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433769043571.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 22122221221101 its reverse (10112212222122), we get a palindrome (32234433443223).

The spelling of 22122221221101 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred one".