121331030202 has 48 divisors (see below), whose sum is σ = 267438382848. Its totient is φ = 39744203040.

The previous prime is 121331030189. The next prime is 121331030237. The reversal of 121331030202 is 202030133121.

121331030202 is a `hidden beast` number, since 121 + 3 + 310 + 30 + 202 = 666.

121331030202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1161003 + ... + 1261185.

It is an arithmetic number, because the mean of its divisors is an integer number (5571632976).

Almost surely, 2^121331030202 is an apocalyptic number.

121331030202 is an abundant number, since it is smaller than the sum of its proper divisors (146107352646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121331030202 is a wasteful number, since it uses less digits than its factorization.

121331030202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101355 (or 101352 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 121331030202 its reverse (202030133121), we get a palindrome (323361163323).

The spelling of 121331030202 in words is "one hundred twenty-one billion, three hundred thirty-one million, thirty thousand, two hundred two".