202121124401 has 8 divisors (see below), whose sum is σ = 238447041024. Its totient is φ = 167658075360.

The previous prime is 202121124353. The next prime is 202121124407. The reversal of 202121124401 is 104421121202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202121124401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202121124407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465716660 + ... + 465717093.

It is an arithmetic number, because the mean of its divisors is an integer number (29805880128).

Almost surely, 2^202121124401 is an apocalyptic number.

It is an amenable number.

202121124401 is a deficient number, since it is larger than the sum of its proper divisors (36325916623).

202121124401 is an equidigital number, since it uses as much as digits as its factorization.

202121124401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931433791.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 202121124401 its reverse (104421121202), we get a palindrome (306542245603).

The spelling of 202121124401 in words is "two hundred two billion, one hundred twenty-one million, one hundred twenty-four thousand, four hundred one".