21403201301 has 4 divisors (see below), whose sum is σ = 22529685600. Its totient is φ = 20276717004.

The previous prime is 21403201283. The next prime is 21403201307. The reversal of 21403201301 is 10310230412.

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 21403201301 - 2¹⁴ = 21403184917 is a prime.

It is a super-2 number, since 2×21403201301² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21403201301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21403201307) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 563242121 + ... + 563242158.

It is an arithmetic number, because the mean of its divisors is an integer number (5632421400).

Almost surely, 2^21403201301 is an apocalyptic number.

It is an amenable number.

21403201301 is a deficient number, since it is larger than the sum of its proper divisors (1126484299).

21403201301 is a wasteful number, since it uses less digits than its factorization.

21403201301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126484298.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21403201301 its reverse (10310230412), we get a palindrome (31713431713).

The spelling of 21403201301 in words is "twenty-one billion, four hundred three million, two hundred one thousand, three hundred one".