101212110202102 has 4 divisors (see below), whose sum is σ = 151818165303156. Its totient is φ = 50606055101050.

The previous prime is 101212110202067. The next prime is 101212110202157. The reversal of 101212110202102 is 201202011212101.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 25303027550524 + ... + 25303027550527.

It is an arithmetic number, because the mean of its divisors is an integer number (37954541325789).

Almost surely, 2^{101212110202102} is an apocalyptic number.

101212110202102 is a deficient number, since it is larger than the sum of its proper divisors (50606055101054).

101212110202102 is an equidigital number, since it uses as much as digits as its factorization.

101212110202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50606055101053.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101212110202102 its reverse (201202011212101), we get a palindrome (302414121414203).

The spelling of 101212110202102 in words is "one hundred one trillion, two hundred twelve billion, one hundred ten million, two hundred two thousand, one hundred two".