11101210212212 has 24 divisors (see below), whose sum is σ = 19688976543936. Its totient is φ = 5476285464768.

The previous prime is 11101210212187. The next prime is 11101210212217. The reversal of 11101210212212 is 21221201210111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101210212217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62050808 + ... + 62229455.

It is an arithmetic number, because the mean of its divisors is an integer number (820374022664).

Almost surely, 2^{11101210212212} is an apocalyptic number.

It is an amenable number.

11101210212212 is a deficient number, since it is larger than the sum of its proper divisors (8587766331724).

11101210212212 is a wasteful number, since it uses less digits than its factorization.

11101210212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124280567 (or 124280565 counting only the distinct ones).

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

Adding to 11101210212212 its reverse (21221201210111), we get a palindrome (32322411422323).

The spelling of 11101210212212 in words is "eleven trillion, one hundred one billion, two hundred ten million, two hundred twelve thousand, two hundred twelve".