22100001101021 has 8 divisors (see below), whose sum is σ = 22241686893888. Its totient is φ = 21958663860000.

The previous prime is 22100001100993. The next prime is 22100001101041. The reversal of 22100001101021 is 12010110000122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22100001101021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22100001100993 and 22100001101011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100001101041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87010745 + ... + 87264366.

It is an arithmetic number, because the mean of its divisors is an integer number (2780210861736).

Almost surely, 2^{22100001101021} is an apocalyptic number.

It is an amenable number.

22100001101021 is a deficient number, since it is larger than the sum of its proper divisors (141685792867).

22100001101021 is a wasteful number, since it uses less digits than its factorization.

22100001101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174275923.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22100001101021 its reverse (12010110000122), we get a palindrome (34110111101143).

The spelling of 22100001101021 in words is "twenty-two trillion, one hundred billion, one million, one hundred one thousand, twenty-one".