10211014421 has 4 divisors (see below), whose sum is σ = 10211344992. Its totient is φ = 10210683852.

The previous prime is 10211014399. The next prime is 10211014423. The reversal of 10211014421 is 12441011201.

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 a de Polignac number, because none of the positive numbers 2^k-10211014421 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 10211014421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211014423) 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, 113555 + ... + 182528.

It is an arithmetic number, because the mean of its divisors is an integer number (2552836248).

Almost surely, 2^10211014421 is an apocalyptic number.

It is an amenable number.

10211014421 is a deficient number, since it is larger than the sum of its proper divisors (330571).

10211014421 is an equidigital number, since it uses as much as digits as its factorization.

10211014421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330570.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10211014421 its reverse (12441011201), we get a palindrome (22652025622).

The spelling of 10211014421 in words is "ten billion, two hundred eleven million, fourteen thousand, four hundred twenty-one".