11021000212 has 12 divisors (see below), whose sum is σ = 19292425236. Its totient is φ = 5508878720.

The previous prime is 11021000201. The next prime is 11021000213. The reversal of 11021000212 is 21200012011.

It can be written as a sum of positive squares in 2 ways, for example, as 7581881476 + 3439118736 = 87074^2 + 58644^2 .

It is a super-3 number, since 3×11021000212³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021000213) 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, 389989 + ... + 417292.

It is an arithmetic number, because the mean of its divisors is an integer number (1607702103).

Almost surely, 2^11021000212 is an apocalyptic number.

It is an amenable number.

11021000212 is a deficient number, since it is larger than the sum of its proper divisors (8271425024).

11021000212 is a wasteful number, since it uses less digits than its factorization.

11021000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810698 (or 810696 counting only the distinct ones).

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

Adding to 11021000212 its reverse (21200012011), we get a palindrome (32221012223).

The spelling of 11021000212 in words is "eleven billion, twenty-one million, two hundred twelve", and thus it is an aban number.