11020211212 has 12 divisors (see below), whose sum is σ = 19354993840. Its totient is φ = 5490212976.

The previous prime is 11020211171. The next prime is 11020211221. The reversal of 11020211212 is 21211202011.

It is a junction number, because it is equal to n+sod(n) for n = 11020211192 and 11020211201.

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, 4971912 + ... + 4974127.

Almost surely, 2^11020211212 is an apocalyptic number.

It is an amenable number.

11020211212 is a deficient number, since it is larger than the sum of its proper divisors (8334782628).

11020211212 is a wasteful number, since it uses less digits than its factorization.

11020211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9946320 (or 9946318 counting only the distinct ones).

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

Adding to 11020211212 its reverse (21211202011), we get a palindrome (32231413223).

The spelling of 11020211212 in words is "eleven billion, twenty million, two hundred eleven thousand, two hundred twelve".