220202020122001 has 2 divisors, whose sum is σ = 220202020122002. Its totient is φ = 220202020122000.

The previous prime is 220202020121989. The next prime is 220202020122031. The reversal of 220202020122001 is 100221020202022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159005820282001 + 61196199840000 = 12609751^2 + 7822800^2 .

It is a cyclic number.

It is not a de Polignac number, because 220202020122001 - 2²⁵ = 220201986567569 is a prime.

It is not a weakly prime, because it can be changed into another prime (220202020122031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110101010061000 + 110101010061001.

It is an arithmetic number, because the mean of its divisors is an integer number (110101010061001).

Almost surely, 2^{220202020122001} is an apocalyptic number.

It is an amenable number.

220202020122001 is a deficient number, since it is larger than the sum of its proper divisors (1).

220202020122001 is an equidigital number, since it uses as much as digits as its factorization.

220202020122001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 220202020122001 its reverse (100221020202022), we get a palindrome (320423040324023).

The spelling of 220202020122001 in words is "two hundred twenty trillion, two hundred two billion, twenty million, one hundred twenty-two thousand, one".