11101002121212 has 24 divisors (see below), whose sum is σ = 25902428536656. Its totient is φ = 3700321147008.

The previous prime is 11101002121211. The next prime is 11101002121217. The reversal of 11101002121212 is 21212120010111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11101002121191 and 11101002121200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101002121211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2369038 + ... + 5273930.

It is an arithmetic number, because the mean of its divisors is an integer number (1079267855694).

Almost surely, 2^{11101002121212} is an apocalyptic number.

11101002121212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11101002121212 is an abundant number, since it is smaller than the sum of its proper divisors (14801426415444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11101002121212 is a wasteful number, since it uses less digits than its factorization.

11101002121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3223357 (or 3223355 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11101002121212 its reverse (21212120010111), we get a palindrome (32313122131323).

The spelling of 11101002121212 in words is "eleven trillion, one hundred one billion, two million, one hundred twenty-one thousand, two hundred twelve".