14203552103421 has 32 divisors (see below), whose sum is σ = 20191269593088. Its totient is φ = 8860521795840.

The previous prime is 14203552103387. The next prime is 14203552103479. The reversal of 14203552103421 is 12430125530241.

It is not a de Polignac number, because 14203552103421 - 2⁶ = 14203552103357 is a prime.

It is a super-2 number, since 2×14203552103421² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14203552103621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5994760 + ... + 8021486.

It is an arithmetic number, because the mean of its divisors is an integer number (630977174784).

Almost surely, 2^{14203552103421} is an apocalyptic number.

It is an amenable number.

14203552103421 is a deficient number, since it is larger than the sum of its proper divisors (5987717489667).

14203552103421 is a wasteful number, since it uses less digits than its factorization.

14203552103421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028961.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 14203552103421 its reverse (12430125530241), we get a palindrome (26633677633662).

The spelling of 14203552103421 in words is "fourteen trillion, two hundred three billion, five hundred fifty-two million, one hundred three thousand, four hundred twenty-one".