201421030553 has 16 divisors (see below), whose sum is σ = 212006592000. Its totient is φ = 190992922560.

The previous prime is 201421030537. The next prime is 201421030561. The reversal of 201421030553 is 355030124102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 201421030553 - 2⁴ = 201421030537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201421033553) 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 15 ways as a sum of consecutive naturals, for example, 1686608 + ... + 1802078.

It is an arithmetic number, because the mean of its divisors is an integer number (13250412000).

Almost surely, 2^201421030553 is an apocalyptic number.

201421030553 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

201421030553 is a deficient number, since it is larger than the sum of its proper divisors (10585561447).

201421030553 is a wasteful number, since it uses less digits than its factorization.

201421030553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116152.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 201421030553 its reverse (355030124102), we get a palindrome (556451154655).

The spelling of 201421030553 in words is "two hundred one billion, four hundred twenty-one million, thirty thousand, five hundred fifty-three".