11101011212 has 12 divisors (see below), whose sum is σ = 20449231320. Its totient is φ = 5258373696.

The previous prime is 11101011161. The next prime is 11101011217. The reversal of 11101011212 is 21211010111.

It is a junction number, because it is equal to n+sod(n) for n = 11101011193 and 11101011202.

It is not an unprimeable number, because it can be changed into a prime (11101011217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73032893 + ... + 73033044.

It is an arithmetic number, because the mean of its divisors is an integer number (1704102610).

Almost surely, 2^11101011212 is an apocalyptic number.

It is an amenable number.

11101011212 is a deficient number, since it is larger than the sum of its proper divisors (9348220108).

11101011212 is a wasteful number, since it uses less digits than its factorization.

11101011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146065960 (or 146065958 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11101011212 its reverse (21211010111), we get a palindrome (32312021323).

The spelling of 11101011212 in words is "eleven billion, one hundred one million, eleven thousand, two hundred twelve".