11140121212 has 12 divisors (see below), whose sum is σ = 21267504216. Its totient is φ = 5063691440.

The previous prime is 11140121177. The next prime is 11140121221. The reversal of 11140121212 is 21212104111.

11140121212 is a modest number, since divided by 121212 gives 11140 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126592243 + ... + 126592330.

It is an arithmetic number, because the mean of its divisors is an integer number (1772292018).

Almost surely, 2^11140121212 is an apocalyptic number.

It is an amenable number.

11140121212 is a deficient number, since it is larger than the sum of its proper divisors (10127383004).

11140121212 is a wasteful number, since it uses less digits than its factorization.

11140121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253184588 (or 253184586 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11140121212 its reverse (21212104111), we get a palindrome (32352225323).

The spelling of 11140121212 in words is "eleven billion, one hundred forty million, one hundred twenty-one thousand, two hundred twelve".