121522353202 has 16 divisors (see below), whose sum is σ = 190550428992. Its totient is φ = 58015030480.

The previous prime is 121522353143. The next prime is 121522353203. The reversal of 121522353202 is 202353225121.

It is not an unprimeable number, because it can be changed into a prime (121522353203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2345824 + ... + 2397067.

It is an arithmetic number, because the mean of its divisors is an integer number (11909401812).

Almost surely, 2^121522353202 is an apocalyptic number.

121522353202 is a deficient number, since it is larger than the sum of its proper divisors (69028075790).

121522353202 is a wasteful number, since it uses less digits than its factorization.

121522353202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4743473.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 121522353202 its reverse (202353225121), we get a palindrome (323875578323).

The spelling of 121522353202 in words is "one hundred twenty-one billion, five hundred twenty-two million, three hundred fifty-three thousand, two hundred two".