2121020222113 has 8 divisors (see below), whose sum is σ = 2294238074688. Its totient is φ = 1949239862544.

The previous prime is 2121020222107. The next prime is 2121020222173. The reversal of 2121020222113 is 3112220201212.

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

It is not a de Polignac number, because 2121020222113 - 2⁹ = 2121020221601 is a prime.

It is a super-2 number, since 2×2121020222113² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121020222173) 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, 359370181 + ... + 359376082.

It is an arithmetic number, because the mean of its divisors is an integer number (286779759336).

Almost surely, 2^{2121020222113} is an apocalyptic number.

It is an amenable number.

2121020222113 is a deficient number, since it is larger than the sum of its proper divisors (173217852575).

2121020222113 is a wasteful number, since it uses less digits than its factorization.

2121020222113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718746503.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2121020222113 its reverse (3112220201212), we get a palindrome (5233240423325).

The spelling of 2121020222113 in words is "two trillion, one hundred twenty-one billion, twenty million, two hundred twenty-two thousand, one hundred thirteen".