11020013212 has 24 divisors (see below), whose sum is σ = 20771341472. Its totient is φ = 5085460800.

The previous prime is 11020013189. The next prime is 11020013239. The reversal of 11020013212 is 21231002011.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 11020013192 and 11020013201.

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, 724162 + ... + 739222.

Almost surely, 2^11020013212 is an apocalyptic number.

It is an amenable number.

11020013212 is a deficient number, since it is larger than the sum of its proper divisors (9751328260).

11020013212 is a wasteful number, since it uses less digits than its factorization.

11020013212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29149 (or 29147 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11020013212 its reverse (21231002011), we get a palindrome (32251015223).

The spelling of 11020013212 in words is "eleven billion, twenty million, thirteen thousand, two hundred twelve".