22020012117101 has 2 divisors, whose sum is σ = 22020012117102. Its totient is φ = 22020012117100.

The previous prime is 22020012117079. The next prime is 22020012117113. The reversal of 22020012117101 is 10171121002022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19613250829225 + 2406761287876 = 4428685^2 + 1551374^2 .

It is a cyclic number.

It is not a de Polignac number, because 22020012117101 - 2¹⁰ = 22020012116077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22020012117601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010006058550 + 11010006058551.

It is an arithmetic number, because the mean of its divisors is an integer number (11010006058551).

Almost surely, 2^{22020012117101} is an apocalyptic number.

It is an amenable number.

22020012117101 is a deficient number, since it is larger than the sum of its proper divisors (1).

22020012117101 is an equidigital number, since it uses as much as digits as its factorization.

22020012117101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 22020012117101 its reverse (10171121002022), we get a palindrome (32191133119123).

The spelling of 22020012117101 in words is "twenty-two trillion, twenty billion, twelve million, one hundred seventeen thousand, one hundred one".