2091110010 has 32 divisors (see below), whose sum is σ = 5474907072. Its totient is φ = 506935680.

The previous prime is 2091109949. The next prime is 2091110011. The reversal of 2091110010 is 100111902.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (2091110011) 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 15 ways as a sum of consecutive naturals, for example, 3168019 + ... + 3168678.

It is an arithmetic number, because the mean of its divisors is an integer number (171090846).

Almost surely, 2^2091110010 is an apocalyptic number.

2091110010 is an abundant number, since it is smaller than the sum of its proper divisors (3383797062).

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

2091110010 is a wasteful number, since it uses less digits than its factorization.

2091110010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6336718.

The product of its (nonzero) digits is 18, while the sum is 15.

The square root of 2091110010 is about 45728.6563327636. The cubic root of 2091110010 is about 1278.7695715900.

Adding to 2091110010 its reverse (100111902), we get a palindrome (2191221912).

It can be divided in two parts, 2091 and 110010, that added together give a triangular number (112101 = T₄₇₃).

The spelling of 2091110010 in words is "two billion, ninety-one million, one hundred ten thousand, ten".