105414415021 has 4 divisors (see below), whose sum is σ = 106219105344. Its totient is φ = 104609724700.

The previous prime is 105414414967. The next prime is 105414415037. The reversal of 105414415021 is 120514414501.

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 105414415021 - 2¹¹ = 105414412973 is a prime.

It is a super-2 number, since 2×105414415021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105414415061) 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, 402344965 + ... + 402345226.

It is an arithmetic number, because the mean of its divisors is an integer number (26554776336).

Almost surely, 2^105414415021 is an apocalyptic number.

It is an amenable number.

105414415021 is a deficient number, since it is larger than the sum of its proper divisors (804690323).

105414415021 is an equidigital number, since it uses as much as digits as its factorization.

105414415021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804690322.

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 105414415021 its reverse (120514414501), we get a palindrome (225928829522).

The spelling of 105414415021 in words is "one hundred five billion, four hundred fourteen million, four hundred fifteen thousand, twenty-one".