210120200020101 has 24 divisors (see below), whose sum is σ = 329127458207904. Its totient is φ = 118879886848800.

The previous prime is 210120200020063. The next prime is 210120200020117. The reversal of 210120200020101 is 101020002021012.

It is not a de Polignac number, because 210120200020101 - 2⁶ = 210120200020037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210120200020501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7076168895 + ... + 7076198588.

It is an arithmetic number, because the mean of its divisors is an integer number (13713644091996).

Almost surely, 2^{210120200020101} is an apocalyptic number.

210120200020101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

210120200020101 is a deficient number, since it is larger than the sum of its proper divisors (119007258187803).

210120200020101 is a wasteful number, since it uses less digits than its factorization.

210120200020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14152367601 (or 14152367594 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210120200020101 its reverse (101020002021012), we get a palindrome (311140202041113).

The spelling of 210120200020101 in words is "two hundred ten trillion, one hundred twenty billion, two hundred million, twenty thousand, one hundred one".