11212101012112 has 160 divisors (see below), whose sum is σ = 29172024370944. Its totient is φ = 4031649331200.

The previous prime is 11212101012109. The next prime is 11212101012113. The reversal of 11212101012112 is 21121010121211.

It is a super-2 number, since 2×11212101012112² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (11212101012113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101117662 + ... + 101228482.

Almost surely, 2^{11212101012112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11212101012112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14586012185472).

11212101012112 is an abundant number, since it is smaller than the sum of its proper divisors (17959923358832).

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

11212101012112 is a wasteful number, since it uses less digits than its factorization.

11212101012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117177 (or 117171 counting only the distinct ones).

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

Adding to 11212101012112 its reverse (21121010121211), we get a palindrome (32333111133323).

The spelling of 11212101012112 in words is "eleven trillion, two hundred twelve billion, one hundred one million, twelve thousand, one hundred twelve".