10210221011 has 4 divisors (see below), whose sum is σ = 10217347512. Its totient is φ = 10203094512.

The previous prime is 10210220941. The next prime is 10210221017. The reversal of 10210221011 is 11012201201.

10210221011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11012201201 = 6043 ⋅1822307.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10210221011 is a prime.

It is a super-2 number, since 2×10210221011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10210220983 and 10210221001.

It is not an unprimeable number, because it can be changed into a prime (10210221017) 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 3 ways as a sum of consecutive naturals, for example, 3561101 + ... + 3563966.

It is an arithmetic number, because the mean of its divisors is an integer number (2554336878).

Almost surely, 2^10210221011 is an apocalyptic number.

10210221011 is a deficient number, since it is larger than the sum of its proper divisors (7126501).

10210221011 is an equidigital number, since it uses as much as digits as its factorization.

10210221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7126500.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10210221011 its reverse (11012201201), we get a palindrome (21222422212).

The spelling of 10210221011 in words is "ten billion, two hundred ten million, two hundred twenty-one thousand, eleven".