111101211201120 has 192 divisors, whose sum is σ = 421015116372480. Its totient is φ = 24058006622208.

The previous prime is 111101211201083. The next prime is 111101211201131. The reversal of 111101211201120 is 21102112101111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 111101211201120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 870089757 + ... + 870217436.

It is an arithmetic number, because the mean of its divisors is an integer number (2192787064440).

Almost surely, 2^{111101211201120} is an apocalyptic number.

111101211201120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111101211201120 is an abundant number, since it is smaller than the sum of its proper divisors (309913905171360).

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

111101211201120 is a wasteful number, since it uses less digits than its factorization.

111101211201120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740307237 (or 1740307229 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111101211201120 its reverse (21102112101111), we get a palindrome (132203323302231).

The spelling of 111101211201120 in words is "one hundred eleven trillion, one hundred one billion, two hundred eleven million, two hundred one thousand, one hundred twenty".