10011223112112 has 60 divisors (see below), whose sum is σ = 28294921468944. Its totient is φ = 3304034025600.

The previous prime is 10011223112083. The next prime is 10011223112113. The reversal of 10011223112112 is 21121132211001.

It is a happy number.

It is a super-2 number, since 2×10011223112112² (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 not an unprimeable number, because it can be changed into a prime (10011223112113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 344155668 + ... + 344184755.

Almost surely, 2^{10011223112112} is an apocalyptic number.

10011223112112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10011223112112 is an abundant number, since it is smaller than the sum of its proper divisors (18283698356832).

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

10011223112112 is a wasteful number, since it uses less digits than its factorization.

10011223112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688340538 (or 688340529 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 10011223112112 its reverse (21121132211001), we get a palindrome (31132355323113).

The spelling of 10011223112112 in words is "ten trillion, eleven billion, two hundred twenty-three million, one hundred twelve thousand, one hundred twelve".