2103111010 has 64 divisors (see below), whose sum is σ = 5082787584. Its totient is φ = 605088000.

The previous prime is 2103110941. The next prime is 2103111013. The reversal of 2103111010 is 101113012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (2103111013) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 95041 + ... + 115060.

It is an arithmetic number, because the mean of its divisors is an integer number (79418556).

Almost surely, 2^2103111010 is an apocalyptic number.

2103111010 is an abundant number, since it is smaller than the sum of its proper divisors (2979676574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2103111010 is a wasteful number, since it uses less digits than its factorization.

2103111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210139.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 2103111010 is about 45859.6882893898. The cubic root of 2103111010 is about 1281.2112171961.

Adding to 2103111010 its reverse (101113012), we get a palindrome (2204224022).

It can be divided in two parts, 21031 and 11010, that added together give a square (32041 = 179²).

The spelling of 2103111010 in words is "two billion, one hundred three million, one hundred eleven thousand, ten".