22012010110001 has 4 divisors (see below), whose sum is σ = 22012047091572. Its totient is φ = 22011973128432.

The previous prime is 22012010109961. The next prime is 22012010110003. The reversal of 22012010110001 is 10001101021022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9994860946225 + 12017149163776 = 3161465^2 + 3466576^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22012010110001 is a prime.

It is a super-2 number, since 2×22012010110001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22012010110003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17583110 + ... + 18793343.

It is an arithmetic number, because the mean of its divisors is an integer number (5503011772893).

Almost surely, 2^{22012010110001} is an apocalyptic number.

It is an amenable number.

22012010110001 is a deficient number, since it is larger than the sum of its proper divisors (36981571).

22012010110001 is an equidigital number, since it uses as much as digits as its factorization.

22012010110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36981570.

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

Adding to 22012010110001 its reverse (10001101021022), we get a palindrome (32013111131023).

The spelling of 22012010110001 in words is "twenty-two trillion, twelve billion, ten million, one hundred ten thousand, one".