22001221100101 has 8 divisors (see below), whose sum is σ = 22014874927584. Its totient is φ = 21987568053360.

The previous prime is 22001221100099. The next prime is 22001221100113. The reversal of 22001221100101 is 10100112210022.

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 22001221100101 - 2¹ = 22001221100099 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 (22001221100161) 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, 62375406 + ... + 62727136.

It is an arithmetic number, because the mean of its divisors is an integer number (2751859365948).

Almost surely, 2^{22001221100101} is an apocalyptic number.

It is an amenable number.

22001221100101 is a deficient number, since it is larger than the sum of its proper divisors (13653827483).

22001221100101 is a wasteful number, since it uses less digits than its factorization.

22001221100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390371.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22001221100101 its reverse (10100112210022), we get a palindrome (32101333310123).

The spelling of 22001221100101 in words is "twenty-two trillion, one billion, two hundred twenty-one million, one hundred thousand, one hundred one".