22010110221021 has 16 divisors (see below), whose sum is σ = 31605414503040. Its totient is φ = 13544188781760.

The previous prime is 22010110221017. The next prime is 22010110221053. The reversal of 22010110221021 is 12012201101022.

It is not a de Polignac number, because 22010110221021 - 2² = 22010110221017 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 (22010110221721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9217126 + ... + 11356743.

It is an arithmetic number, because the mean of its divisors is an integer number (1975338406440).

Almost surely, 2^{22010110221021} is an apocalyptic number.

It is an amenable number.

22010110221021 is a deficient number, since it is larger than the sum of its proper divisors (9595304282019).

22010110221021 is a wasteful number, since it uses less digits than its factorization.

22010110221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20601316.

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

Adding to 22010110221021 its reverse (12012201101022), we get a palindrome (34022311322043).

The spelling of 22010110221021 in words is "twenty-two trillion, ten billion, one hundred ten million, two hundred twenty-one thousand, twenty-one".