2202121321123 has 2 divisors, whose sum is σ = 2202121321124. Its totient is φ = 2202121321122.

The previous prime is 2202121321109. The next prime is 2202121321201. The reversal of 2202121321123 is 3211231212022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2202121321123 - 2⁵ = 2202121321091 is a prime.

It is a super-2 number, since 2×2202121321123² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2202121321094 and 2202121321103.

It is not a weakly prime, because it can be changed into another prime (2202121321823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101060660561 + 1101060660562.

It is an arithmetic number, because the mean of its divisors is an integer number (1101060660562).

Almost surely, 2^{2202121321123} is an apocalyptic number.

2202121321123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2202121321123 is an equidigital number, since it uses as much as digits as its factorization.

2202121321123 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 2202121321123 its reverse (3211231212022), we get a palindrome (5413352533145).

The spelling of 2202121321123 in words is "two trillion, two hundred two billion, one hundred twenty-one million, three hundred twenty-one thousand, one hundred twenty-three".