10211022021 has 16 divisors (see below), whose sum is σ = 13661278400. Its totient is φ = 6784093440.

The previous prime is 10211022007. The next prime is 10211022037. The reversal of 10211022021 is 12022011201.

10211022021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10211022021 - 2⁶ = 10211021957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10211021988 and 10211022006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211022071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1322430 + ... + 1330128.

It is an arithmetic number, because the mean of its divisors is an integer number (853829900).

Almost surely, 2^10211022021 is an apocalyptic number.

It is an amenable number.

10211022021 is a deficient number, since it is larger than the sum of its proper divisors (3450256379).

10211022021 is a wasteful number, since it uses less digits than its factorization.

10211022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9156.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10211022021 its reverse (12022011201), we get a palindrome (22233033222).

The spelling of 10211022021 in words is "ten billion, two hundred eleven million, twenty-two thousand, twenty-one".