22001120202101 has 2 divisors, whose sum is σ = 22001120202102. Its totient is φ = 22001120202100.

The previous prime is 22001120202091. The next prime is 22001120202161. The reversal of 22001120202101 is 10120202110022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15293175601201 + 6707944600900 = 3910649^2 + 2589970^2 .

It is a cyclic number.

It is not a de Polignac number, because 22001120202101 - 2¹⁴ = 22001120185717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22001120202161) 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, 11000560101050 + 11000560101051.

It is an arithmetic number, because the mean of its divisors is an integer number (11000560101051).

Almost surely, 2^{22001120202101} is an apocalyptic number.

It is an amenable number.

22001120202101 is a deficient number, since it is larger than the sum of its proper divisors (1).

22001120202101 is an equidigital number, since it uses as much as digits as its factorization.

22001120202101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22001120202101 its reverse (10120202110022), we get a palindrome (32121322312123).

The spelling of 22001120202101 in words is "twenty-two trillion, one billion, one hundred twenty million, two hundred two thousand, one hundred one".