105025314421 has 4 divisors (see below), whose sum is σ = 105059561152. Its totient is φ = 104991067692.

The previous prime is 105025314419. The next prime is 105025314521. The reversal of 105025314421 is 124413520501.

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 105025314421 - 2¹ = 105025314419 is a prime.

It is a super-2 number, since 2×105025314421² (a number of 23 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 105025314421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105025314521) 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, 17118765 + ... + 17124898.

It is an arithmetic number, because the mean of its divisors is an integer number (26264890288).

Almost surely, 2^105025314421 is an apocalyptic number.

It is an amenable number.

105025314421 is a deficient number, since it is larger than the sum of its proper divisors (34246731).

105025314421 is an equidigital number, since it uses as much as digits as its factorization.

105025314421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34246730.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 105025314421 its reverse (124413520501), we get a palindrome (229438834922).

The spelling of 105025314421 in words is "one hundred five billion, twenty-five million, three hundred fourteen thousand, four hundred twenty-one".