11011122011212 has 24 divisors (see below), whose sum is σ = 19467259922880. Its totient is φ = 5449087017600.

The previous prime is 11011122011119. The next prime is 11011122011243. The reversal of 11011122011212 is 21211022111011.

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, 3785412 + ... + 6029227.

It is an arithmetic number, because the mean of its divisors is an integer number (811135830120).

Almost surely, 2^{11011122011212} is an apocalyptic number.

It is an amenable number.

11011122011212 is a deficient number, since it is larger than the sum of its proper divisors (8456137911668).

11011122011212 is a wasteful number, since it uses less digits than its factorization.

11011122011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9817521 (or 9817519 counting only the distinct ones).

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

Adding to 11011122011212 its reverse (21211022111011), we get a palindrome (32222144122223).

The spelling of 11011122011212 in words is "eleven trillion, eleven billion, one hundred twenty-two million, eleven thousand, two hundred twelve".