202202201220001 has 2 divisors, whose sum is σ = 202202201220002. Its totient is φ = 202202201220000.

The previous prime is 202202201219999. The next prime is 202202201220101. The reversal of 202202201220001 is 100022102202202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201267450639376 + 934750580625 = 14186876^2 + 966825^2 .

It is a cyclic number.

It is not a de Polignac number, because 202202201220001 - 2¹ = 202202201219999 is a prime.

Together with 202202201219999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (202202201220101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101101100610000 + 101101100610001.

It is an arithmetic number, because the mean of its divisors is an integer number (101101100610001).

Almost surely, 2^{202202201220001} is an apocalyptic number.

It is an amenable number.

202202201220001 is a deficient number, since it is larger than the sum of its proper divisors (1).

202202201220001 is an equidigital number, since it uses as much as digits as its factorization.

202202201220001 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 202202201220001 its reverse (100022102202202), we get a palindrome (302224303422203).

The spelling of 202202201220001 in words is "two hundred two trillion, two hundred two billion, two hundred one million, two hundred twenty thousand, one".