22020212011913 has 2 divisors, whose sum is σ = 22020212011914. Its totient is φ = 22020212011912.

The previous prime is 22020212011891. The next prime is 22020212011921. The reversal of 22020212011913 is 31911021202022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22009862612089 + 10349399824 = 4691467^2 + 101732^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22020212011913 is a prime.

It is not a weakly prime, because it can be changed into another prime (22020212010913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010106005956 + 11010106005957.

It is an arithmetic number, because the mean of its divisors is an integer number (11010106005957).

Almost surely, 2^{22020212011913} is an apocalyptic number.

It is an amenable number.

22020212011913 is a deficient number, since it is larger than the sum of its proper divisors (1).

22020212011913 is an equidigital number, since it uses as much as digits as its factorization.

22020212011913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 22020212011913 its reverse (31911021202022), we get a palindrome (53931233213935).

The spelling of 22020212011913 in words is "twenty-two trillion, twenty billion, two hundred twelve million, eleven thousand, nine hundred thirteen".