11101211210112 has 64 divisors (see below), whose sum is σ = 29489062267200. Its totient is φ = 3700219267584.

The previous prime is 11101211210101. The next prime is 11101211210129. The reversal of 11101211210112 is 21101211210111.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×11101211210112² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11101211210091 and 11101211210100.

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, 7102839 + ... + 8523657.

It is an arithmetic number, because the mean of its divisors is an integer number (460766597925).

Almost surely, 2^{11101211210112} is an apocalyptic number.

11101211210112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11101211210112 is an abundant number, since it is smaller than the sum of its proper divisors (18387851057088).

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

11101211210112 is a wasteful number, since it uses less digits than its factorization.

11101211210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441183 (or 1441171 counting only the distinct ones).

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

Adding to 11101211210112 its reverse (21101211210111), we get a palindrome (32202422420223).

Subtracting 11101211210112 from its reverse (21101211210111), we obtain a palindrome (9999999999999).

The spelling of 11101211210112 in words is "eleven trillion, one hundred one billion, two hundred eleven million, two hundred ten thousand, one hundred twelve".