11222321112 has 96 divisors (see below), whose sum is σ = 33051564000. Its totient is φ = 3425559552.

The previous prime is 11222321111. The next prime is 11222321113. The reversal of 11222321112 is 21112322211.

11222321112 is a `hidden beast` number, since 11 + 222 + 321 + 112 = 666.

It is an interprime number because it is at equal distance from previous prime (11222321111) and next prime (11222321113).

It is a super-2 number, since 2×11222321112² (a number of 21 digits) contains 22 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222321111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78612 + ... + 169187.

It is an arithmetic number, because the mean of its divisors is an integer number (344287125).

Almost surely, 2^11222321112 is an apocalyptic number.

11222321112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11222321112 is an abundant number, since it is smaller than the sum of its proper divisors (21829242888).

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

11222321112 is a wasteful number, since it uses less digits than its factorization.

11222321112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247865 (or 247858 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

Adding to 11222321112 its reverse (21112322211), we get a palindrome (32334643323).

The spelling of 11222321112 in words is "eleven billion, two hundred twenty-two million, three hundred twenty-one thousand, one hundred twelve".