11010210221021 has 24 divisors (see below), whose sum is σ = 12215507892000. Its totient is φ = 9915867007200.

The previous prime is 11010210220993. The next prime is 11010210221041. The reversal of 11010210221021 is 12012201201011.

11010210221021 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 11010210221021 - 2⁶ = 11010210220957 is a prime.

It is a super-2 number, since 2×11010210221021² (a number of 27 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 = 11010210220987 and 11010210221005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010210221041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6027326 + ... + 7638656.

It is an arithmetic number, because the mean of its divisors is an integer number (508979495500).

Almost surely, 2^{11010210221021} is an apocalyptic number.

11010210221021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11010210221021 is a deficient number, since it is larger than the sum of its proper divisors (1205297670979).

11010210221021 is a wasteful number, since it uses less digits than its factorization.

11010210221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611881 (or 1611870 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11010210221021 its reverse (12012201201011), we get a palindrome (23022411422032).

The spelling of 11010210221021 in words is "eleven trillion, ten billion, two hundred ten million, two hundred twenty-one thousand, twenty-one".