121121302041202 has 4 divisors (see below), whose sum is σ = 181681953061806. Its totient is φ = 60560651020600.

The previous prime is 121121302041133. The next prime is 121121302041203. The reversal of 121121302041202 is 202140203121121.

121121302041202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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., 87634143638721 + 33487158402481 = 9361311^2 + 5786809^2 .

It is not an unprimeable number, because it can be changed into a prime (121121302041203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30280325510299 + ... + 30280325510302.

Almost surely, 2^{121121302041202} is an apocalyptic number.

121121302041202 is a deficient number, since it is larger than the sum of its proper divisors (60560651020604).

121121302041202 is an equidigital number, since it uses as much as digits as its factorization.

121121302041202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60560651020603.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 121121302041202 its reverse (202140203121121), we get a palindrome (323261505162323).

The spelling of 121121302041202 in words is "one hundred twenty-one trillion, one hundred twenty-one billion, three hundred two million, forty-one thousand, two hundred two".