2100010121120 has 48 divisors (see below), whose sum is σ = 5222393598240. Its totient is φ = 795793307904.

The previous prime is 2100010121119. The next prime is 2100010121141. The reversal of 2100010121120 is 211210100012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345393362 + ... + 345399441.

It is an arithmetic number, because the mean of its divisors is an integer number (108799866630).

Almost surely, 2^{2100010121120} is an apocalyptic number.

2100010121120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100010121120 is an abundant number, since it is smaller than the sum of its proper divisors (3122383477120).

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

2100010121120 is a wasteful number, since it uses less digits than its factorization.

2100010121120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690792837 (or 690792829 counting only the distinct ones).

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

Adding to 2100010121120 its reverse (211210100012), we get a palindrome (2311220221132).

The spelling of 2100010121120 in words is "two trillion, one hundred billion, ten million, one hundred twenty-one thousand, one hundred twenty".