121231021020301 has 4 divisors (see below), whose sum is σ = 121900805667004. Its totient is φ = 120561236373600.

The previous prime is 121231021020283. The next prime is 121231021020313. The reversal of 121231021020301 is 103020120132121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39953764168201 + 81277256852100 = 6320899^2 + 9015390^2 .

It is a cyclic number.

It is not a de Polignac number, because 121231021020301 - 2⁷ = 121231021020173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121231021020701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334892323080 + ... + 334892323441.

It is an arithmetic number, because the mean of its divisors is an integer number (30475201416751).

Almost surely, 2^{121231021020301} is an apocalyptic number.

It is an amenable number.

121231021020301 is a deficient number, since it is larger than the sum of its proper divisors (669784646703).

121231021020301 is an equidigital number, since it uses as much as digits as its factorization.

121231021020301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669784646702.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 121231021020301 its reverse (103020120132121), we get a palindrome (224251141152422).

The spelling of 121231021020301 in words is "one hundred twenty-one trillion, two hundred thirty-one billion, twenty-one million, twenty thousand, three hundred one".