210120122101100 has 18 divisors (see below), whose sum is σ = 455960664959604. Its totient is φ = 84048048840400.

The previous prime is 210120122101037. The next prime is 210120122101151. The reversal of 210120122101100 is 1101221021012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1050600610406 + ... + 1050600610605.

Almost surely, 2^{210120122101100} is an apocalyptic number.

210120122101100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210120122101100 is an abundant number, since it is smaller than the sum of its proper divisors (245840542858504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210120122101100 is a wasteful number, since it uses less digits than its factorization.

210120122101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101201221025 (or 2101201221018 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 210120122101100 its reverse (1101221021012), we get a palindrome (211221343122112).

The spelling of 210120122101100 in words is "two hundred ten trillion, one hundred twenty billion, one hundred twenty-two million, one hundred one thousand, one hundred".