11101112021212 has 24 divisors (see below), whose sum is σ = 20452106183040. Its totient is φ = 5257729949040.

The previous prime is 11101112021201. The next prime is 11101112021239. The reversal of 11101112021212 is 21212021110111.

11101112021212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 9022714 + ... + 10178977.

It is an arithmetic number, because the mean of its divisors is an integer number (852171090960).

Almost surely, 2^{11101112021212} is an apocalyptic number.

It is an amenable number.

11101112021212 is a deficient number, since it is larger than the sum of its proper divisors (9350994161828).

11101112021212 is a wasteful number, since it uses less digits than its factorization.

11101112021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19209321 (or 19209319 counting only the distinct ones).

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

Adding to 11101112021212 its reverse (21212021110111), we get a palindrome (32313133131323).

The spelling of 11101112021212 in words is "eleven trillion, one hundred one billion, one hundred twelve million, twenty-one thousand, two hundred twelve".