22011020112101 has 4 divisors (see below), whose sum is σ = 22015451568672. Its totient is φ = 22006588655532.

The previous prime is 22011020112083. The next prime is 22011020112161. The reversal of 22011020112101 is 10121102011022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22011020112101 - 2¹⁰ = 22011020111077 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 (22011020112161) 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 3 ways as a sum of consecutive naturals, for example, 2215720835 + ... + 2215730768.

It is an arithmetic number, because the mean of its divisors is an integer number (5503862892168).

Almost surely, 2^{22011020112101} is an apocalyptic number.

It is an amenable number.

22011020112101 is a deficient number, since it is larger than the sum of its proper divisors (4431456571).

22011020112101 is an equidigital number, since it uses as much as digits as its factorization.

22011020112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4431456570.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22011020112101 its reverse (10121102011022), we get a palindrome (32132122123123).

The spelling of 22011020112101 in words is "twenty-two trillion, eleven billion, twenty million, one hundred twelve thousand, one hundred one".