201403101421 has 4 divisors (see below), whose sum is σ = 202567281372. Its totient is φ = 200238921472.

The previous prime is 201403101391. The next prime is 201403101463. The reversal of 201403101421 is 124101304102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 136448972100 + 64954129321 = 369390^2 + 254861^2 .

It is a cyclic number.

It is not a de Polignac number, because 201403101421 - 2⁷ = 201403101293 is a prime.

It is a super-2 number, since 2×201403101421² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201403101481) 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, 582089716 + ... + 582090061.

It is an arithmetic number, because the mean of its divisors is an integer number (50641820343).

Almost surely, 2^201403101421 is an apocalyptic number.

It is an amenable number.

201403101421 is a deficient number, since it is larger than the sum of its proper divisors (1164179951).

201403101421 is a wasteful number, since it uses less digits than its factorization.

201403101421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164179950.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 201403101421 its reverse (124101304102), we get a palindrome (325504405523).

The spelling of 201403101421 in words is "two hundred one billion, four hundred three million, one hundred one thousand, four hundred twenty-one".