11122021200121 has 8 divisors (see below), whose sum is σ = 11978354352384. Its totient is φ = 10265801342160.

The previous prime is 11122021200079. The next prime is 11122021200137. The reversal of 11122021200121 is 12100212022111.

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

It is not a de Polignac number, because 11122021200121 - 2¹¹ = 11122021198073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11122021200095 and 11122021200104.

It is not an unprimeable number, because it can be changed into a prime (11122021200721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28119625 + ... + 28512406.

It is an arithmetic number, because the mean of its divisors is an integer number (1497294294048).

Almost surely, 2^{11122021200121} is an apocalyptic number.

It is an amenable number.

11122021200121 is a deficient number, since it is larger than the sum of its proper divisors (856333152263).

11122021200121 is a wasteful number, since it uses less digits than its factorization.

11122021200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56647151.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11122021200121 its reverse (12100212022111), we get a palindrome (23222233222232).

The spelling of 11122021200121 in words is "eleven trillion, one hundred twenty-two billion, twenty-one million, two hundred thousand, one hundred twenty-one".