1222011121141 has 2 divisors, whose sum is σ = 1222011121142. Its totient is φ = 1222011121140.

The previous prime is 1222011121129. The next prime is 1222011121147. The reversal of 1222011121141 is 1411211102221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1077192818641 + 144818302500 = 1037879^2 + 380550^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222011121141 - 2¹¹ = 1222011119093 is a prime.

It is a super-2 number, since 2×1222011121141² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222011121147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611005560570 + 611005560571.

It is an arithmetic number, because the mean of its divisors is an integer number (611005560571).

Almost surely, 2^{1222011121141} is an apocalyptic number.

It is an amenable number.

1222011121141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222011121141 is an equidigital number, since it uses as much as digits as its factorization.

1222011121141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 1222011121141 its reverse (1411211102221), we get a palindrome (2633222223362).

The spelling of 1222011121141 in words is "one trillion, two hundred twenty-two billion, eleven million, one hundred twenty-one thousand, one hundred forty-one".