11221011122112 has 84 divisors (see below), whose sum is σ = 35086911691416. Its totient is φ = 3400306398720.

The previous prime is 11221011122093. The next prime is 11221011122131. The reversal of 11221011122112 is 21122111012211.

It is a happy number.

11221011122112 is a `hidden beast` number, since 112 + 210 + 111 + 221 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (11221011122093) and next prime (11221011122131).

It is a super-2 number, since 2×11221011122112² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 885490123 + ... + 885502794.

Almost surely, 2^{11221011122112} is an apocalyptic number.

11221011122112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11221011122112 is an abundant number, since it is smaller than the sum of its proper divisors (23865900569304).

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

11221011122112 is a wasteful number, since it uses less digits than its factorization.

11221011122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770992946 (or 1770992933 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 11221011122112 its reverse (21122111012211), we get a palindrome (32343122134323).

The spelling of 11221011122112 in words is "eleven trillion, two hundred twenty-one billion, eleven million, one hundred twenty-two thousand, one hundred twelve".