20122222021001 has 2 divisors, whose sum is σ = 20122222021002. Its totient is φ = 20122222021000.

The previous prime is 20122222020983. The next prime is 20122222021019. The reversal of 20122222021001 is 10012022222102.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (20122222020983) and next prime (20122222021019).

It can be written as a sum of positive squares in only one way, i.e., 20117557267600 + 4664753401 = 4485260^2 + 68299^2 .

It is a cyclic number.

It is not a de Polignac number, because 20122222021001 - 2¹⁴ = 20122222004617 is a prime.

It is not a weakly prime, because it can be changed into another prime (20122222021021) 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 as a sum of consecutive naturals, namely, 10061111010500 + 10061111010501.

It is an arithmetic number, because the mean of its divisors is an integer number (10061111010501).

Almost surely, 2^{20122222021001} is an apocalyptic number.

It is an amenable number.

20122222021001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122222021001 is an equidigital number, since it uses as much as digits as its factorization.

20122222021001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20122222021001 its reverse (10012022222102), we get a palindrome (30134244243103).

The spelling of 20122222021001 in words is "twenty trillion, one hundred twenty-two billion, two hundred twenty-two million, twenty-one thousand, one".