10101010100102 has 4 divisors (see below), whose sum is σ = 15151515150156. Its totient is φ = 5050505050050.

The previous prime is 10101010100081. The next prime is 10101010100141. The reversal of 10101010100102 is 20100101010101.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 10101010100102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525252525024 + ... + 2525252525027.

It is an arithmetic number, because the mean of its divisors is an integer number (3787878787539).

Almost surely, 2^{10101010100102} is an apocalyptic number.

10101010100102 is a deficient number, since it is larger than the sum of its proper divisors (5050505050054).

10101010100102 is an equidigital number, since it uses as much as digits as its factorization.

10101010100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5050505050053.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 10101010100102 its reverse (20100101010101), we get a palindrome (30201111110203).

Subtracting 10101010100102 from its reverse (20100101010101), we obtain a palindrome (9999090909999).

The spelling of 10101010100102 in words is "ten trillion, one hundred one billion, ten million, one hundred thousand, one hundred two".