10500111010 has 8 divisors (see below), whose sum is σ = 18900199836. Its totient is φ = 4200044400.

The previous prime is 10500110981. The next prime is 10500111043. The reversal of 10500111010 is 1011100501.

It can be written as a sum of positive squares in 2 ways, for example, as 10383406201 + 116704809 = 101899^2 + 10803^2 .

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

It is a super-2 number, since 2×10500111010² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 1050011101 = 10500111010 / (1 + 0 + 5 + 0 + 0 + 1 + 1 + 1 + 0 + 1 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525005541 + ... + 525005560.

Almost surely, 2^10500111010 is an apocalyptic number.

10500111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10500111010 is a deficient number, since it is larger than the sum of its proper divisors (8400088826).

10500111010 is a wasteful number, since it uses less digits than its factorization.

10500111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050011108.

The product of its (nonzero) digits is 5, while the sum is 10.

Adding to 10500111010 its reverse (1011100501), we get a palindrome (11511211511).

The spelling of 10500111010 in words is "ten billion, five hundred million, one hundred eleven thousand, ten".