2102001010 has 16 divisors (see below), whose sum is σ = 3784988376. Its totient is φ = 840492288.

The previous prime is 2102001007. The next prime is 2102001029. The reversal of 2102001010 is 101002012.

It can be written as a sum of positive squares in 4 ways, for example, as 860072929 + 1241928081 = 29327^2 + 35241^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2102000984 and 2102001002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8769 + ... + 65428.

Almost surely, 2^2102001010 is an apocalyptic number.

2102001010 is a deficient number, since it is larger than the sum of its proper divisors (1682987366).

2102001010 is a wasteful number, since it uses less digits than its factorization.

2102001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77037.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 2102001010 is about 45847.5845601489. The cubic root of 2102001010 is about 1280.9857742348.

Adding to 2102001010 its reverse (101002012), we get a palindrome (2203003022).

The spelling of 2102001010 in words is "two billion, one hundred two million, one thousand, ten".