2201121322123 has 2 divisors, whose sum is σ = 2201121322124. Its totient is φ = 2201121322122.

The previous prime is 2201121322111. The next prime is 2201121322139. The reversal of 2201121322123 is 3212231211022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2201121322123 - 2⁹ = 2201121321611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2201121322094 and 2201121322103.

It is not a weakly prime, because it can be changed into another prime (2201121322823) 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, 1100560661061 + 1100560661062.

It is an arithmetic number, because the mean of its divisors is an integer number (1100560661062).

Almost surely, 2^{2201121322123} is an apocalyptic number.

2201121322123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201121322123 is an equidigital number, since it uses as much as digits as its factorization.

2201121322123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2201121322123 its reverse (3212231211022), we get a palindrome (5413352533145).

The spelling of 2201121322123 in words is "two trillion, two hundred one billion, one hundred twenty-one million, three hundred twenty-two thousand, one hundred twenty-three".