11101001212 has 24 divisors (see below), whose sum is σ = 22208256000. Its totient is φ = 4756231920.

The previous prime is 11101001189. The next prime is 11101001273. The reversal of 11101001212 is 21210010111.

It is a super-3 number, since 3×11101001212³ (a number of 31 digits) contains 333 as substring.

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, 48789 + ... + 156787.

It is an arithmetic number, because the mean of its divisors is an integer number (925344000).

Almost surely, 2^11101001212 is an apocalyptic number.

It is an amenable number.

11101001212 is an abundant number, since it is smaller than the sum of its proper divisors (11107254788).

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

11101001212 is a wasteful number, since it uses less digits than its factorization.

11101001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111681 (or 111679 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11101001212 its reverse (21210010111), we get a palindrome (32311011323).

The spelling of 11101001212 in words is "eleven billion, one hundred one million, one thousand, two hundred twelve".