421120202124202 has 32 divisors (see below), whose sum is σ = 736272009239040. Its totient is φ = 176909801979120.

The previous prime is 421120202124109. The next prime is 421120202124203. The reversal of 421120202124202 is 202421202021124.

It is not an unprimeable number, because it can be changed into a prime (421120202124203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 734339824 + ... + 734913067.

It is an arithmetic number, because the mean of its divisors is an integer number (23008500288720).

Almost surely, 2^{421120202124202} is an apocalyptic number.

421120202124202 is a deficient number, since it is larger than the sum of its proper divisors (315151807114838).

421120202124202 is a wasteful number, since it uses less digits than its factorization.

421120202124202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469253306.

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

Adding to 421120202124202 its reverse (202421202021124), we get a palindrome (623541404145326).

The spelling of 421120202124202 in words is "four hundred twenty-one trillion, one hundred twenty billion, two hundred two million, one hundred twenty-four thousand, two hundred two".