105610124021 has 4 divisors (see below), whose sum is σ = 105613456032. Its totient is φ = 105606792012.

The previous prime is 105610124017. The next prime is 105610124069. The reversal of 105610124021 is 120421016501.

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 105610124021 - 2² = 105610124017 is a prime.

It is a super-2 number, since 2×105610124021² (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 (105610126021) 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, 1618001 + ... + 1682006.

It is an arithmetic number, because the mean of its divisors is an integer number (26403364008).

Almost surely, 2^105610124021 is an apocalyptic number.

It is an amenable number.

105610124021 is a deficient number, since it is larger than the sum of its proper divisors (3332011).

105610124021 is an equidigital number, since it uses as much as digits as its factorization.

105610124021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3332010.

The product of its (nonzero) digits is 480, while the sum is 23.

The spelling of 105610124021 in words is "one hundred five billion, six hundred ten million, one hundred twenty-four thousand, twenty-one".