121210200301 has 4 divisors (see below), whose sum is σ = 121214252412. Its totient is φ = 121206148192.

The previous prime is 121210200299. The next prime is 121210200317. The reversal of 121210200301 is 103002012121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 103002012121 = 2521 ⋅40857601.

It can be written as a sum of positive squares in 2 ways, for example, as 41330483401 + 79879716900 = 203299^2 + 282630^2 .

It is a cyclic number.

It is not a de Polignac number, because 121210200301 - 2¹ = 121210200299 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 (121210200101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1980850 + ... + 2041123.

It is an arithmetic number, because the mean of its divisors is an integer number (30303563103).

Almost surely, 2^121210200301 is an apocalyptic number.

It is an amenable number.

121210200301 is a deficient number, since it is larger than the sum of its proper divisors (4052111).

121210200301 is an equidigital number, since it uses as much as digits as its factorization.

121210200301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4052110.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 121210200301 its reverse (103002012121), we get a palindrome (224212212422).

The spelling of 121210200301 in words is "one hundred twenty-one billion, two hundred ten million, two hundred thousand, three hundred one".