11210121021212 has 12 divisors (see below), whose sum is σ = 19641376101480. Its totient is φ = 5598299277936.

The previous prime is 11210121021181. The next prime is 11210121021277. The reversal of 11210121021212 is 21212012101211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1690304438 + ... + 1690311069.

It is an arithmetic number, because the mean of its divisors is an integer number (1636781341790).

Almost surely, 2^{11210121021212} is an apocalyptic number.

It is an amenable number.

11210121021212 is a deficient number, since it is larger than the sum of its proper divisors (8431255080268).

11210121021212 is a wasteful number, since it uses less digits than its factorization.

11210121021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3380616340 (or 3380616338 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11210121021212 its reverse (21212012101211), we get a palindrome (32422133122423).

The spelling of 11210121021212 in words is "eleven trillion, two hundred ten billion, one hundred twenty-one million, twenty-one thousand, two hundred twelve".