210102121102 has 4 divisors (see below), whose sum is σ = 315153181656. Its totient is φ = 105051060550.

The previous prime is 210102121081. The next prime is 210102121129. The reversal of 210102121102 is 201121201012.

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, 52525530274 + ... + 52525530277.

It is an arithmetic number, because the mean of its divisors is an integer number (78788295414).

Almost surely, 2^210102121102 is an apocalyptic number.

210102121102 is a deficient number, since it is larger than the sum of its proper divisors (105051060554).

210102121102 is a wasteful number, since it uses less digits than its factorization.

210102121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105051060553.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210102121102 its reverse (201121201012), we get a palindrome (411223322114).

The spelling of 210102121102 in words is "two hundred ten billion, one hundred two million, one hundred twenty-one thousand, one hundred two".