11212011111102 has 8 divisors (see below), whose sum is σ = 22424022222216. Its totient is φ = 3737337037032.

The previous prime is 11212011111083. The next prime is 11212011111109. The reversal of 11212011111102 is 20111111021211.

It is a sphenic number, since it is the product of 3 distinct primes.

11212011111102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212011111109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 934334259253 + ... + 934334259264.

It is an arithmetic number, because the mean of its divisors is an integer number (2803002777777).

Almost surely, 2^{11212011111102} is an apocalyptic number.

11212011111102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11212011111102 is a wasteful number, since it uses less digits than its factorization.

11212011111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868668518522.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11212011111102 its reverse (20111111021211), we get a palindrome (31323122132313).

The spelling of 11212011111102 in words is "eleven trillion, two hundred twelve billion, eleven million, one hundred eleven thousand, one hundred two".