202421144122 has 4 divisors (see below), whose sum is σ = 303631716186. Its totient is φ = 101210572060.

The previous prime is 202421144119. The next prime is 202421144147. The reversal of 202421144122 is 221441124202.

202421144122 is digitally balanced in base 2, 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., 201323613481 + 1097530641 = 448691^2 + 33129^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 50605286029 + ... + 50605286032.

Almost surely, 2^202421144122 is an apocalyptic number.

202421144122 is a deficient number, since it is larger than the sum of its proper divisors (101210572064).

202421144122 is a wasteful number, since it uses less digits than its factorization.

202421144122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101210572063.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 202421144122 its reverse (221441124202), we get a palindrome (423862268324).

The spelling of 202421144122 in words is "two hundred two billion, four hundred twenty-one million, one hundred forty-four thousand, one hundred twenty-two".