10212021020011 has 8 divisors (see below), whose sum is σ = 10405060064784. Its totient is φ = 10018995286560.

The previous prime is 10212021020009. The next prime is 10212021020023. The reversal of 10212021020011 is 11002012021201.

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 10212021020011 - 2¹ = 10212021020009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10212021019973 and 10212021020000.

It is not an unprimeable number, because it can be changed into a prime (10212921020011) 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, 1772185 + ... + 4854346.

It is an arithmetic number, because the mean of its divisors is an integer number (1300632508098).

Almost surely, 2^{10212021020011} is an apocalyptic number.

10212021020011 is a deficient number, since it is larger than the sum of its proper divisors (193039044773).

10212021020011 is an equidigital number, since it uses as much as digits as its factorization.

10212021020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6655661.

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

Adding to 10212021020011 its reverse (11002012021201), we get a palindrome (21214033041212).

The spelling of 10212021020011 in words is "ten trillion, two hundred twelve billion, twenty-one million, twenty thousand, eleven".