121021310112029 has 2 divisors, whose sum is σ = 121021310112030. Its totient is φ = 121021310112028.

The previous prime is 121021310112013. The next prime is 121021310112061. The reversal of 121021310112029 is 920211013120121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104574246084025 + 16447064028004 = 10226155^2 + 4055498^2 .

It is a cyclic number.

It is not a de Polignac number, because 121021310112029 - 2⁴ = 121021310112013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121021310111989 and 121021310112007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121021310112629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60510655056014 + 60510655056015.

It is an arithmetic number, because the mean of its divisors is an integer number (60510655056015).

Almost surely, 2^{121021310112029} is an apocalyptic number.

It is an amenable number.

121021310112029 is a deficient number, since it is larger than the sum of its proper divisors (1).

121021310112029 is an equidigital number, since it uses as much as digits as its factorization.

121021310112029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 121021310112029 in words is "one hundred twenty-one trillion, twenty-one billion, three hundred ten million, one hundred twelve thousand, twenty-nine".