210001011200120 has 32 divisors (see below), whose sum is σ = 540002600229600. Its totient is φ = 72000346697088.

The previous prime is 210001011200107. The next prime is 210001011200129. The reversal of 210001011200120 is 21002110100012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210001011200129) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 375001805435 + ... + 375001805994.

It is an arithmetic number, because the mean of its divisors is an integer number (16875081257175).

Almost surely, 2^{210001011200120} is an apocalyptic number.

210001011200120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210001011200120 is an abundant number, since it is smaller than the sum of its proper divisors (330001589029480).

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

210001011200120 is a wasteful number, since it uses less digits than its factorization.

210001011200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750003611447 (or 750003611443 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 210001011200120 its reverse (21002110100012), we get a palindrome (231003121300132).

The spelling of 210001011200120 in words is "two hundred ten trillion, one billion, eleven million, two hundred thousand, one hundred twenty".