210102122122 has 8 divisors (see below), whose sum is σ = 315541783872. Its totient is φ = 104921527500.

The previous prime is 210102122081. The next prime is 210102122129. The reversal of 210102122122 is 221221201012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 210102122096 and 210102122105.

It is not an unprimeable number, because it can be changed into a prime (210102122129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64764754 + ... + 64767997.

It is an arithmetic number, because the mean of its divisors is an integer number (39442722984).

Almost surely, 2^210102122122 is an apocalyptic number.

210102122122 is a deficient number, since it is larger than the sum of its proper divisors (105439661750).

210102122122 is a wasteful number, since it uses less digits than its factorization.

210102122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129533564.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210102122122 its reverse (221221201012), we get a palindrome (431323323134).

The spelling of 210102122122 in words is "two hundred ten billion, one hundred two million, one hundred twenty-two thousand, one hundred twenty-two".