2521101010 has 8 divisors (see below), whose sum is σ = 4537981836. Its totient is φ = 1008440400.

The previous prime is 2521100957. The next prime is 2521101019. The reversal of 2521101010 is 101011252.

It can be written as a sum of positive squares in 2 ways, for example, as 2433547561 + 87553449 = 49331^2 + 9357^2 .

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 (2521101019) 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, 126055041 + ... + 126055060.

Almost surely, 2^2521101010 is an apocalyptic number.

2521101010 is a deficient number, since it is larger than the sum of its proper divisors (2016880826).

2521101010 is a wasteful number, since it uses less digits than its factorization.

2521101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252110108.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 2521101010 is about 50210.5667165787. The cubic root of 2521101010 is about 1361.0165788179.

Adding to 2521101010 its reverse (101011252), we get a palindrome (2622112262).

The spelling of 2521101010 in words is "two billion, five hundred twenty-one million, one hundred one thousand, ten".