11200111201212 has 24 divisors (see below), whose sum is σ = 26770997506512. Its totient is φ = 3642312585600.

The previous prime is 11200111201183. The next prime is 11200111201241. The reversal of 11200111201212 is 21210211100211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11200111201183) and next prime (11200111201241).

It is a junction number, because it is equal to n+sod(n) for n = 11200111201191 and 11200111201200.

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, 11382226339 + ... + 11382227322.

It is an arithmetic number, because the mean of its divisors is an integer number (1115458229438).

Almost surely, 2^{11200111201212} is an apocalyptic number.

11200111201212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11200111201212 is an abundant number, since it is smaller than the sum of its proper divisors (15570886305300).

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

11200111201212 is a wasteful number, since it uses less digits than its factorization.

11200111201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22764453709 (or 22764453707 counting only the distinct ones).

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

Adding to 11200111201212 its reverse (21210211100211), we get a palindrome (32410322301423).

The spelling of 11200111201212 in words is "eleven trillion, two hundred billion, one hundred eleven million, two hundred one thousand, two hundred twelve".