210102220121102 has 4 divisors (see below), whose sum is σ = 315153330181656. Its totient is φ = 105051110060550.

The previous prime is 210102220121089. The next prime is 210102220121111. The reversal of 210102220121102 is 201121022201012.

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 (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52525555030274 + ... + 52525555030277.

It is an arithmetic number, because the mean of its divisors is an integer number (78788332545414).

Almost surely, 2^{210102220121102} is an apocalyptic number.

210102220121102 is a deficient number, since it is larger than the sum of its proper divisors (105051110060554).

210102220121102 is a wasteful number, since it uses less digits than its factorization.

210102220121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105051110060553.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210102220121102 its reverse (201121022201012), we get a palindrome (411223242322114).

The spelling of 210102220121102 in words is "two hundred ten trillion, one hundred two billion, two hundred twenty million, one hundred twenty-one thousand, one hundred two".