2021122100011 has 8 divisors (see below), whose sum is σ = 2431425082880. Its totient is φ = 1641211930728.

The previous prime is 2021122100009. The next prime is 2021122100077. The reversal of 2021122100011 is 1100012211202.

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 2021122100011 - 2¹ = 2021122100009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2021122099964 and 2021122100000.

It is not an unprimeable number, because it can be changed into a prime (2021122100911) 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, 7598203251 + ... + 7598203516.

It is an arithmetic number, because the mean of its divisors is an integer number (303928135360).

Almost surely, 2^{2021122100011} is an apocalyptic number.

2021122100011 is a deficient number, since it is larger than the sum of its proper divisors (410302982869).

2021122100011 is a wasteful number, since it uses less digits than its factorization.

2021122100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15196406793.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2021122100011 its reverse (1100012211202), we get a palindrome (3121134311213).

The spelling of 2021122100011 in words is "two trillion, twenty-one billion, one hundred twenty-two million, one hundred thousand, eleven".