121113131301202 has 4 divisors (see below), whose sum is σ = 181669696951806. Its totient is φ = 60556565650600.

The previous prime is 121113131301187. The next prime is 121113131301209. The reversal of 121113131301202 is 202103131311121.

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

It can be written as a sum of positive squares in only one way, i.e., 118442714493321 + 2670416807881 = 10883139^2 + 1634141^2 .

It is not an unprimeable number, because it can be changed into a prime (121113131301209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30278282825299 + ... + 30278282825302.

Almost surely, 2^{121113131301202} is an apocalyptic number.

121113131301202 is a deficient number, since it is larger than the sum of its proper divisors (60556565650604).

121113131301202 is an equidigital number, since it uses as much as digits as its factorization.

121113131301202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60556565650603.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 121113131301202 its reverse (202103131311121), we get a palindrome (323216262612323).

The spelling of 121113131301202 in words is "one hundred twenty-one trillion, one hundred thirteen billion, one hundred thirty-one million, three hundred one thousand, two hundred two".