121032321202 has 16 divisors (see below), whose sum is σ = 207014559192. Its totient is φ = 52575125760.

The previous prime is 121032321167. The next prime is 121032321203. The reversal of 121032321202 is 202123230121.

It can be written as a sum of positive squares in 4 ways, for example, as 120089278521 + 943042681 = 346539^2 + 30709^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121032321202.

It is not an unprimeable number, because it can be changed into a prime (121032321203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136913949 + ... + 136914832.

Almost surely, 2^121032321202 is an apocalyptic number.

121032321202 is a deficient number, since it is larger than the sum of its proper divisors (85982237990).

121032321202 is a wasteful number, since it uses less digits than its factorization.

121032321202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273828813.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 121032321202 its reverse (202123230121), we get a palindrome (323155551323).

The spelling of 121032321202 in words is "one hundred twenty-one billion, thirty-two million, three hundred twenty-one thousand, two hundred two".