11021021000212 has 12 divisors (see below), whose sum is σ = 19287079520436. Its totient is φ = 5510426851520.

The previous prime is 11021021000179. The next prime is 11021021000233. The reversal of 11021021000212 is 21200012012011.

It can be written as a sum of positive squares in 2 ways, for example, as 3601204563856 + 7419816436356 = 1897684^2 + 2723934^2 .

It is a super-2 number, since 2×11021021000212² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11021021000192 and 11021021000201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20615233 + ... + 21143080.

It is an arithmetic number, because the mean of its divisors is an integer number (1607256626703).

Almost surely, 2^{11021021000212} is an apocalyptic number.

It is an amenable number.

11021021000212 is a deficient number, since it is larger than the sum of its proper divisors (8266058520224).

11021021000212 is a wasteful number, since it uses less digits than its factorization.

11021021000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41824298 (or 41824296 counting only the distinct ones).

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

Adding to 11021021000212 its reverse (21200012012011), we get a palindrome (32221033012223).

The spelling of 11021021000212 in words is "eleven trillion, twenty-one billion, twenty-one million, two hundred twelve", and thus it is an aban number.