202121124414 has 16 divisors (see below), whose sum is σ = 440991544320. Its totient is φ = 61248825560.

The previous prime is 202121124409. The next prime is 202121124433. The reversal of 202121124414 is 414421121202.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1531220574 + ... + 1531220705.

It is an arithmetic number, because the mean of its divisors is an integer number (27561971520).

Almost surely, 2^202121124414 is an apocalyptic number.

202121124414 is an abundant number, since it is smaller than the sum of its proper divisors (238870419906).

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

202121124414 is a wasteful number, since it uses less digits than its factorization.

202121124414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3062441295.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 202121124414 its reverse (414421121202), we get a palindrome (616542245616).

The spelling of 202121124414 in words is "two hundred two billion, one hundred twenty-one million, one hundred twenty-four thousand, four hundred fourteen".