2101421300013 has 32 divisors (see below), whose sum is σ = 3640705305600. Its totient is φ = 1172886302448.

The previous prime is 2101421300003. The next prime is 2101421300047. The reversal of 2101421300013 is 3100031241012.

2101421300013 is a `hidden beast` number, since 210 + 1 + 421 + 30 + 0 + 0 + 1 + 3 = 666.

It is not a de Polignac number, because 2101421300013 - 2⁵ = 2101421299981 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101421300003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129278283 + ... + 129294536.

It is an arithmetic number, because the mean of its divisors is an integer number (113772040800).

Almost surely, 2^{2101421300013} is an apocalyptic number.

It is an amenable number.

2101421300013 is a deficient number, since it is larger than the sum of its proper divisors (1539284005587).

2101421300013 is a wasteful number, since it uses less digits than its factorization.

2101421300013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258572878 (or 258572872 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2101421300013 its reverse (3100031241012), we get a palindrome (5201452541025).

The spelling of 2101421300013 in words is "two trillion, one hundred one billion, four hundred twenty-one million, three hundred thousand, thirteen".