105213501010 has 8 divisors (see below), whose sum is σ = 189384301836. Its totient is φ = 42085400400.

The previous prime is 105213500999. The next prime is 105213501017. The reversal of 105213501010 is 10105312501.

It can be written as a sum of positive squares in 2 ways, for example, as 105023309329 + 190191681 = 324073^2 + 13791^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105213501010² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105213501017) 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, 5260675041 + ... + 5260675060.

Almost surely, 2^105213501010 is an apocalyptic number.

105213501010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105213501010 is a deficient number, since it is larger than the sum of its proper divisors (84170800826).

105213501010 is a wasteful number, since it uses less digits than its factorization.

105213501010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10521350108.

The product of its (nonzero) digits is 150, while the sum is 19.

Adding to 105213501010 its reverse (10105312501), we get a palindrome (115318813511).

The spelling of 105213501010 in words is "one hundred five billion, two hundred thirteen million, five hundred one thousand, ten".