22020011211001 has 2 divisors, whose sum is σ = 22020011211002. Its totient is φ = 22020011211000.

The previous prime is 22020011210999. The next prime is 22020011211013. The reversal of 22020011211001 is 10011211002022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12807086532601 + 9212924678400 = 3578699^2 + 3035280^2 .

It is a cyclic number.

It is not a de Polignac number, because 22020011211001 - 2¹ = 22020011210999 is a prime.

Together with 22020011210999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22020011211031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010005605500 + 11010005605501.

It is an arithmetic number, because the mean of its divisors is an integer number (11010005605501).

Almost surely, 2^{22020011211001} is an apocalyptic number.

It is an amenable number.

22020011211001 is a deficient number, since it is larger than the sum of its proper divisors (1).

22020011211001 is an equidigital number, since it uses as much as digits as its factorization.

22020011211001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22020011211001 its reverse (10011211002022), we get a palindrome (32031222213023).

The spelling of 22020011211001 in words is "twenty-two trillion, twenty billion, eleven million, two hundred eleven thousand, one".