103214200421 has 4 divisors (see below), whose sum is σ = 103471592844. Its totient is φ = 102956808000.

The previous prime is 103214200409. The next prime is 103214200423. The reversal of 103214200421 is 124002412301.

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 59777805025 + 43436395396 = 244495^2 + 208414^2 .

It is a cyclic number.

It is not a de Polignac number, because 103214200421 - 2¹⁰ = 103214199397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103214200393 and 103214200402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103214200423) 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, 128695610 + ... + 128696411.

It is an arithmetic number, because the mean of its divisors is an integer number (25867898211).

Almost surely, 2^103214200421 is an apocalyptic number.

It is an amenable number.

103214200421 is a deficient number, since it is larger than the sum of its proper divisors (257392423).

103214200421 is an equidigital number, since it uses as much as digits as its factorization.

103214200421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257392422.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 103214200421 its reverse (124002412301), we get a palindrome (227216612722).

The spelling of 103214200421 in words is "one hundred three billion, two hundred fourteen million, two hundred thousand, four hundred twenty-one".