121424111202 has 16 divisors (see below), whose sum is σ = 242861400000. Its totient is φ = 40472507472.

The previous prime is 121424111201. The next prime is 121424111351. The reversal of 121424111202 is 202111424121.

It is not an unprimeable number, because it can be changed into a prime (121424111201) 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, 427198 + ... + 652185.

It is an arithmetic number, because the mean of its divisors is an integer number (15178837500).

Almost surely, 2^121424111202 is an apocalyptic number.

121424111202 is an abundant number, since it is smaller than the sum of its proper divisors (121437288798).

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

121424111202 is a wasteful number, since it uses less digits than its factorization.

121424111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098137.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 121424111202 its reverse (202111424121), we get a palindrome (323535535323).

The spelling of 121424111202 in words is "one hundred twenty-one billion, four hundred twenty-four million, one hundred eleven thousand, two hundred two".