101002020101002 has 4 divisors (see below), whose sum is σ = 151503030151506. Its totient is φ = 50501010050500.

The previous prime is 101002020100997. The next prime is 101002020101011. The reversal of 101002020101002 is 200101020200101.

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

It can be written as a sum of positive squares in only one way, i.e., 100601481740841 + 400538360161 = 10030029^2 + 632881^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 101002020101002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25250505025249 + ... + 25250505025252.

Almost surely, 2^{101002020101002} is an apocalyptic number.

101002020101002 is a deficient number, since it is larger than the sum of its proper divisors (50501010050504).

101002020101002 is an equidigital number, since it uses as much as digits as its factorization.

101002020101002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50501010050503.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 101002020101002 its reverse (200101020200101), we get a palindrome (301103040301103).

Subtracting 101002020101002 from its reverse (200101020200101), we obtain a palindrome (99099000099099).

The spelling of 101002020101002 in words is "one hundred one trillion, two billion, twenty million, one hundred one thousand, two".