11010021212 has 24 divisors (see below), whose sum is σ = 19346024880. Its totient is φ = 5482630400.

The previous prime is 11010021161. The next prime is 11010021241. The reversal of 11010021212 is 21212001011.

It is a junction number, because it is equal to n+sod(n) for n = 11010021193 and 11010021202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1080839 + ... + 1090977.

It is an arithmetic number, because the mean of its divisors is an integer number (806084370).

Almost surely, 2^11010021212 is an apocalyptic number.

It is an amenable number.

11010021212 is a deficient number, since it is larger than the sum of its proper divisors (8336003668).

11010021212 is a wasteful number, since it uses less digits than its factorization.

11010021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11221 (or 11219 counting only the distinct ones).

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

Adding to 11010021212 its reverse (21212001011), we get a palindrome (32222022223).

The spelling of 11010021212 in words is "eleven billion, ten million, twenty-one thousand, two hundred twelve".