10216407421 has 16 divisors (see below), whose sum is σ = 11657490048. Its totient is φ = 8862638400.

The previous prime is 10216407391. The next prime is 10216407493. The reversal of 10216407421 is 12470461201.

It is not a de Polignac number, because 10216407421 - 2¹⁹ = 10215883133 is a prime.

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 10216407421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10216407121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58555 + ... + 154471.

It is an arithmetic number, because the mean of its divisors is an integer number (728593128).

Almost surely, 2^10216407421 is an apocalyptic number.

10216407421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10216407421 is a deficient number, since it is larger than the sum of its proper divisors (1441082627).

10216407421 is a wasteful number, since it uses less digits than its factorization.

10216407421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96372.

The product of its (nonzero) digits is 2688, while the sum is 28.

Adding to 10216407421 its reverse (12470461201), we get a palindrome (22686868622).

The spelling of 10216407421 in words is "ten billion, two hundred sixteen million, four hundred seven thousand, four hundred twenty-one".