111211112012000 has 384 divisors, whose sum is σ = 366875361635328. Its totient is φ = 31996802304000.

The previous prime is 111211112011997. The next prime is 111211112012051. The reversal of 111211112012000 is 210211112111.

It is a super-2 number, since 2×111211112012000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9883502 + ... + 17891501.

It is an arithmetic number, because the mean of its divisors is an integer number (955404587592).

Almost surely, 2^{111211112012000} is an apocalyptic number.

111211112012000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111211112012000 is an abundant number, since it is smaller than the sum of its proper divisors (255664249623328).

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

111211112012000 is a wasteful number, since it uses less digits than its factorization.

111211112012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27775059 (or 27775041 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111211112012000 its reverse (210211112111), we get a palindrome (111421323124111).

The spelling of 111211112012000 in words is "one hundred eleven trillion, two hundred eleven billion, one hundred twelve million, twelve thousand".