2101010200120 has 32 divisors (see below), whose sum is σ = 5090909332320. Its totient is φ = 775757612160.

The previous prime is 2101010200103. The next prime is 2101010200169. The reversal of 2101010200120 is 210020101012.

It is a super-3 number, since 3×2101010200120³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2101010200097 and 2101010200106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2020201596 + ... + 2020202635.

It is an arithmetic number, because the mean of its divisors is an integer number (159090916635).

Almost surely, 2^{2101010200120} is an apocalyptic number.

2101010200120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101010200120 is an abundant number, since it is smaller than the sum of its proper divisors (2989899132200).

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

2101010200120 is a wasteful number, since it uses less digits than its factorization.

2101010200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4040404255 (or 4040404251 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2101010200120 its reverse (210020101012), we get a palindrome (2311030301132).

The spelling of 2101010200120 in words is "two trillion, one hundred one billion, ten million, two hundred thousand, one hundred twenty".