121012130220113 has 8 divisors (see below), whose sum is σ = 133104251423136. Its totient is φ = 110011027471620.

The previous prime is 121012130220089. The next prime is 121012130220133. The reversal of 121012130220113 is 311022031210121.

It is not a de Polignac number, because 121012130220113 - 2¹⁰ = 121012130219089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121012130220133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45459100931 + ... + 45459103592.

It is an arithmetic number, because the mean of its divisors is an integer number (16638031427892).

Almost surely, 2^{121012130220113} is an apocalyptic number.

It is an amenable number.

121012130220113 is a deficient number, since it is larger than the sum of its proper divisors (12092121203023).

121012130220113 is an frugal number, since it uses more digits than its factorization.

121012130220113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90918204556 (or 90918204534 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 121012130220113 its reverse (311022031210121), we get a palindrome (432034161430234).

The spelling of 121012130220113 in words is "one hundred twenty-one trillion, twelve billion, one hundred thirty million, two hundred twenty thousand, one hundred thirteen".