2090121010 has 8 divisors (see below), whose sum is σ = 3762217836. Its totient is φ = 836048400.

The previous prime is 2090120969. The next prime is 2090121013. The reversal of 2090121010 is 101210902.

It can be written as a sum of positive squares in 2 ways, for example, as 2087301969 + 2819041 = 45687^2 + 1679^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2090121013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104506041 + ... + 104506060.

Almost surely, 2^2090121010 is an apocalyptic number.

2090121010 is a deficient number, since it is larger than the sum of its proper divisors (1672096826).

2090121010 is a wasteful number, since it uses less digits than its factorization.

2090121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209012108.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 2090121010 is about 45717.8412657466. The cubic root of 2090121010 is about 1278.5679398354.

Adding to 2090121010 its reverse (101210902), we get a palindrome (2191331912).

The spelling of 2090121010 in words is "two billion, ninety million, one hundred twenty-one thousand, ten".