1121212001029 has 2 divisors, whose sum is σ = 1121212001030. Its totient is φ = 1121212001028.

The previous prime is 1121212001009. The next prime is 1121212001059. The reversal of 1121212001029 is 9201002121211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1121163322500 + 48678529 = 1058850^2 + 6977^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121212001029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121212001009) 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, 560606000514 + 560606000515.

It is an arithmetic number, because the mean of its divisors is an integer number (560606000515).

Almost surely, 2^{1121212001029} is an apocalyptic number.

It is an amenable number.

1121212001029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121212001029 is an equidigital number, since it uses as much as digits as its factorization.

1121212001029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 1121212001029 in words is "one trillion, one hundred twenty-one billion, two hundred twelve million, one thousand, twenty-nine".