1121012020133 has 2 divisors, whose sum is σ = 1121012020134. Its totient is φ = 1121012020132.

The previous prime is 1121012020099. The next prime is 1121012020147. The reversal of 1121012020133 is 3310202101211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 814674123649 + 306337896484 = 902593^2 + 553478^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121012020133 - 2²⁸ = 1120743584677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121012020153) 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, 560506010066 + 560506010067.

It is an arithmetic number, because the mean of its divisors is an integer number (560506010067).

Almost surely, 2^{1121012020133} is an apocalyptic number.

It is an amenable number.

1121012020133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121012020133 is an equidigital number, since it uses as much as digits as its factorization.

1121012020133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1121012020133 its reverse (3310202101211), we get a palindrome (4431214121344).

The spelling of 1121012020133 in words is "one trillion, one hundred twenty-one billion, twelve million, twenty thousand, one hundred thirty-three".