101212102 has 4 divisors (see below), whose sum is σ = 151818156. Its totient is φ = 50606050.

The previous prime is 101212087. The next prime is 101212127. The reversal of 101212102 is 201212101.

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 (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25303024 + ... + 25303027.

It is an arithmetic number, because the mean of its divisors is an integer number (37954539).

Almost surely, 2^101212102 is an apocalyptic number.

101212102 is a deficient number, since it is larger than the sum of its proper divisors (50606054).

101212102 is an equidigital number, since it uses as much as digits as its factorization.

101212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50606053.

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

The square root of 101212102 is about 10060.4225557379. The cubic root of 101212102 is about 466.0267165880.

Adding to 101212102 its reverse (201212101), we get a palindrome (302424203).

Subtracting 101212102 from its reverse (201212101), we obtain a palindrome (99999999).

The spelling of 101212102 in words is "one hundred one million, two hundred twelve thousand, one hundred two".