2121022103113 has 8 divisors (see below), whose sum is σ = 2124206695296. Its totient is φ = 2117839869600.

The previous prime is 2121022103099. The next prime is 2121022103209. The reversal of 2121022103113 is 3113012201212.

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 2121022103113 - 2¹³ = 2121022094921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121022103713) 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, 1214308 + ... + 2390938.

It is an arithmetic number, because the mean of its divisors is an integer number (265525836912).

Almost surely, 2^{2121022103113} is an apocalyptic number.

It is an amenable number.

2121022103113 is a deficient number, since it is larger than the sum of its proper divisors (3184592183).

2121022103113 is a wasteful number, since it uses less digits than its factorization.

2121022103113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179335.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2121022103113 its reverse (3113012201212), we get a palindrome (5234034304325).

The spelling of 2121022103113 in words is "two trillion, one hundred twenty-one billion, twenty-two million, one hundred three thousand, one hundred thirteen".