201100013421 has 4 divisors (see below), whose sum is σ = 268133351232. Its totient is φ = 134066675612.

The previous prime is 201100013393. The next prime is 201100013453. The reversal of 201100013421 is 124310001102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201100013421 - 2⁶ = 201100013357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201100013421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201100013321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33516668901 + ... + 33516668906.

It is an arithmetic number, because the mean of its divisors is an integer number (67033337808).

Almost surely, 2^201100013421 is an apocalyptic number.

It is an amenable number.

201100013421 is a deficient number, since it is larger than the sum of its proper divisors (67033337811).

201100013421 is an equidigital number, since it uses as much as digits as its factorization.

201100013421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67033337810.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 201100013421 its reverse (124310001102), we get a palindrome (325410014523).

The spelling of 201100013421 in words is "two hundred one billion, one hundred million, thirteen thousand, four hundred twenty-one".