1122013135121 has 2 divisors, whose sum is σ = 1122013135122. Its totient is φ = 1122013135120.

The previous prime is 1122013135093. The next prime is 1122013135153. The reversal of 1122013135121 is 1215313102211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 935164427521 + 186848707600 = 967039^2 + 432260^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122013135121 - 2²² = 1122008940817 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122013135171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561006567560 + 561006567561.

It is an arithmetic number, because the mean of its divisors is an integer number (561006567561).

Almost surely, 2^{1122013135121} is an apocalyptic number.

It is an amenable number.

1122013135121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122013135121 is an equidigital number, since it uses as much as digits as its factorization.

1122013135121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 1122013135121 its reverse (1215313102211), we get a palindrome (2337326237332).

The spelling of 1122013135121 in words is "one trillion, one hundred twenty-two billion, thirteen million, one hundred thirty-five thousand, one hundred twenty-one".