111203120101120 has 36 divisors (see below), whose sum is σ = 266366223620280. Its totient is φ = 44481248039936.

The previous prime is 111203120101111. The next prime is 111203120101121. The reversal of 111203120101120 is 21101021302111.

It is a happy number.

It is a super-2 number, since 2×111203120101120² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 111203120101094 and 111203120101103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111203120101121) 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 3 ways as a sum of consecutive naturals, for example, 43438717510 + ... + 43438720069.

It is an arithmetic number, because the mean of its divisors is an integer number (7399061767230).

Almost surely, 2^{111203120101120} is an apocalyptic number.

111203120101120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111203120101120 is an abundant number, since it is smaller than the sum of its proper divisors (155163103519160).

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

111203120101120 is an frugal number, since it uses more digits than its factorization.

111203120101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86877437600 (or 86877437586 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 111203120101120 its reverse (21101021302111), we get a palindrome (132304141403231).

The spelling of 111203120101120 in words is "one hundred eleven trillion, two hundred three billion, one hundred twenty million, one hundred one thousand, one hundred twenty".