11010022000021 has 4 divisors (see below), whose sum is σ = 12010933090944. Its totient is φ = 10009110909100.

The previous prime is 11010022000001. The next prime is 11010022000027. The reversal of 11010022000021 is 12000022001011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11010022000021 - 2¹¹ = 11010021997973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11010021999971 and 11010022000007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010022000027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500455545445 + ... + 500455545466.

It is an arithmetic number, because the mean of its divisors is an integer number (3002733272736).

Almost surely, 2^{11010022000021} is an apocalyptic number.

11010022000021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11010022000021 is a deficient number, since it is larger than the sum of its proper divisors (1000911090923).

11010022000021 is a wasteful number, since it uses less digits than its factorization.

11010022000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000911090922.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11010022000021 its reverse (12000022001011), we get a palindrome (23010044001032).

The spelling of 11010022000021 in words is "eleven trillion, ten billion, twenty-two million, twenty-one", and thus it is an aban number and an uban number.