1002111010102 has 4 divisors (see below), whose sum is σ = 1503166515156. Its totient is φ = 501055505050.

The previous prime is 1002111010027. The next prime is 1002111010123. The reversal of 1002111010102 is 2010101112001.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 250527752524 + ... + 250527752527.

It is an arithmetic number, because the mean of its divisors is an integer number (375791628789).

Almost surely, 2^{1002111010102} is an apocalyptic number.

1002111010102 is a deficient number, since it is larger than the sum of its proper divisors (501055505054).

1002111010102 is an equidigital number, since it uses as much as digits as its factorization.

1002111010102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501055505053.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1002111010102 its reverse (2010101112001), we get a palindrome (3012212122103).

The spelling of 1002111010102 in words is "one trillion, two billion, one hundred eleven million, ten thousand, one hundred two".