11112012101200 has 30 divisors (see below), whose sum is σ = 26696609074094. Its totient is φ = 4444804840320.

The previous prime is 11112012101167. The next prime is 11112012101327. The reversal of 11112012101200 is 210121021111.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2031046821904 + 9080965279296 = 1425148^2 + 3013464^2 .

It is a super-3 number, since 3×11112012101200³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13890014727 + ... + 13890015526.

Almost surely, 2^{11112012101200} is an apocalyptic number.

11112012101200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112012101200 is an abundant number, since it is smaller than the sum of its proper divisors (15584596972894).

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

11112012101200 is a wasteful number, since it uses less digits than its factorization.

11112012101200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27780030271 (or 27780030260 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11112012101200 its reverse (210121021111), we get a palindrome (11322133122311).

The spelling of 11112012101200 in words is "eleven trillion, one hundred twelve billion, twelve million, one hundred one thousand, two hundred".