2121200301113 has 8 divisors (see below), whose sum is σ = 2128580381928. Its totient is φ = 2113831655424.

The previous prime is 2121200301097. The next prime is 2121200301131. The reversal of 2121200301113 is 3111030021212.

It can be written as a sum of positive squares in 4 ways, for example, as 405422545984 + 1715777755129 = 636728^2 + 1309877^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2121200301113 - 2⁴ = 2121200301097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2121200301091 and 2121200301100.

It is not an unprimeable number, because it can be changed into a prime (2121200301193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2487056 + ... + 3229217.

It is an arithmetic number, because the mean of its divisors is an integer number (266072547741).

Almost surely, 2^{2121200301113} is an apocalyptic number.

It is an amenable number.

2121200301113 is a deficient number, since it is larger than the sum of its proper divisors (7380080815).

2121200301113 is an equidigital number, since it uses as much as digits as its factorization.

2121200301113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5717563.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2121200301113 its reverse (3111030021212), we get a palindrome (5232230322325).

The spelling of 2121200301113 in words is "two trillion, one hundred twenty-one billion, two hundred million, three hundred one thousand, one hundred thirteen".