11001221112112 has 80 divisors (see below), whose sum is σ = 26575600195584. Its totient is φ = 4285992960000.

The previous prime is 11001221112107. The next prime is 11001221112127. The reversal of 11001221112112 is 21121112210011.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28192737 + ... + 28580287.

Almost surely, 2^{11001221112112} is an apocalyptic number.

It is an amenable number.

11001221112112 is an abundant number, since it is smaller than the sum of its proper divisors (15574379083472).

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

11001221112112 is a wasteful number, since it uses less digits than its factorization.

11001221112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410618 (or 410612 counting only the distinct ones).

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

Adding to 11001221112112 its reverse (21121112210011), we get a palindrome (32122333322123).

The spelling of 11001221112112 in words is "eleven trillion, one billion, two hundred twenty-one million, one hundred twelve thousand, one hundred twelve".