210120101210101 has 8 divisors (see below), whose sum is σ = 216929328267008. Its totient is φ = 203312821608000.

The previous prime is 210120101210093. The next prime is 210120101210209. The reversal of 210120101210101 is 101012101021012.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 210120101210101 - 2³ = 210120101210093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210120101213101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486644415 + ... + 487075996.

It is an arithmetic number, because the mean of its divisors is an integer number (27116166033376).

Almost surely, 2^{210120101210101} is an apocalyptic number.

It is an amenable number.

210120101210101 is a deficient number, since it is larger than the sum of its proper divisors (6809227056907).

210120101210101 is an equidigital number, since it uses as much as digits as its factorization.

210120101210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973727403.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 210120101210101 its reverse (101012101021012), we get a palindrome (311132202231113).

The spelling of 210120101210101 in words is "two hundred ten trillion, one hundred twenty billion, one hundred one million, two hundred ten thousand, one hundred one".