2021200107121 has 8 divisors (see below), whose sum is σ = 2271315170880. Its totient is φ = 1784604776592.

The previous prime is 2021200107109. The next prime is 2021200107131. The reversal of 2021200107121 is 1217010021202.

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 2021200107121 - 2¹⁷ = 2021199976049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021200107131) 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, 3379932991 + ... + 3379933588.

It is an arithmetic number, because the mean of its divisors is an integer number (283914396360).

Almost surely, 2^{2021200107121} is an apocalyptic number.

It is an amenable number.

2021200107121 is a deficient number, since it is larger than the sum of its proper divisors (250115063759).

2021200107121 is a wasteful number, since it uses less digits than its factorization.

2021200107121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6759866615.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 2021200107121 its reverse (1217010021202), we get a palindrome (3238210128323).

The spelling of 2021200107121 in words is "two trillion, twenty-one billion, two hundred million, one hundred seven thousand, one hundred twenty-one".