2101200121024 has 14 divisors (see below), whose sum is σ = 4169568990284. Its totient is φ = 1050600060480.

The previous prime is 2101200121019. The next prime is 2101200121049. The reversal of 2101200121024 is 4201210021012.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 2101200120989 and 2101200121007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16415625882 + ... + 16415626009.

Almost surely, 2^{2101200121024} is an apocalyptic number.

It is an amenable number.

2101200121024 is a deficient number, since it is larger than the sum of its proper divisors (2068368869260).

2101200121024 is an equidigital number, since it uses as much as digits as its factorization.

2101200121024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32831251903 (or 32831251893 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2101200121024 its reverse (4201210021012), we get a palindrome (6302410142036).

The spelling of 2101200121024 in words is "two trillion, one hundred one billion, two hundred million, one hundred twenty-one thousand, twenty-four".