2203011123121 has 2 divisors, whose sum is σ = 2203011123122. Its totient is φ = 2203011123120.

The previous prime is 2203011123101. The next prime is 2203011123143. The reversal of 2203011123121 is 1213211103022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2114956495521 + 88054627600 = 1454289^2 + 296740^2 .

It is a cyclic number.

It is not a de Polignac number, because 2203011123121 - 2¹³ = 2203011114929 is a prime.

It is not a weakly prime, because it can be changed into another prime (2203011123101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101505561560 + 1101505561561.

It is an arithmetic number, because the mean of its divisors is an integer number (1101505561561).

Almost surely, 2^{2203011123121} is an apocalyptic number.

It is an amenable number.

2203011123121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2203011123121 is an equidigital number, since it uses as much as digits as its factorization.

2203011123121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2203011123121 its reverse (1213211103022), we get a palindrome (3416222226143).

The spelling of 2203011123121 in words is "two trillion, two hundred three billion, eleven million, one hundred twenty-three thousand, one hundred twenty-one".