1002101002010 has 16 divisors (see below), whose sum is σ = 1815270862536. Its totient is φ = 398287276608.

The previous prime is 1002101001961. The next prime is 1002101002013. The reversal of 1002101002010 is 102001012001.

It can be written as a sum of positive squares in 4 ways, for example, as 452674641721 + 549426360289 = 672811^2 + 741233^2 .

It is a super-3 number, since 3×1002101002010³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1002101002013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319138877 + ... + 319142016.

Almost surely, 2^{1002101002010} is an apocalyptic number.

1002101002010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002101002010 is a deficient number, since it is larger than the sum of its proper divisors (813169860526).

1002101002010 is a wasteful number, since it uses less digits than its factorization.

1002101002010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638281057.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1002101002010 its reverse (102001012001), we get a palindrome (1104102014011).

Subtracting from 1002101002010 its reverse (102001012001), we obtain a palindrome (900099990009).

The spelling of 1002101002010 in words is "one trillion, two billion, one hundred one million, two thousand, ten".