111203013102120 has 48 divisors (see below), whose sum is σ = 361409792583060. Its totient is φ = 29654136827136.

The previous prime is 111203013102107. The next prime is 111203013102133. The reversal of 111203013102120 is 21201310302111.

111203013102120 is a `hidden beast` number, since 1 + 1 + 12 + 0 + 301 + 310 + 21 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (111203013102107) and next prime (111203013102133).

It can be written as a sum of positive squares in 2 ways, for example, as 108228609276804 + 2974403825316 = 10403298^2 + 1724646^2 .

It is a super-2 number, since 2×111203013102120² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111203013102093 and 111203013102102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154448628949 + ... + 154448629668.

Almost surely, 2^{111203013102120} is an apocalyptic number.

111203013102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111203013102120 is an abundant number, since it is smaller than the sum of its proper divisors (250206779480940).

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

111203013102120 is a wasteful number, since it uses less digits than its factorization.

111203013102120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308897258634 (or 308897258627 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 111203013102120 its reverse (21201310302111), we get a palindrome (132404323404231).

The spelling of 111203013102120 in words is "one hundred eleven trillion, two hundred three billion, thirteen million, one hundred two thousand, one hundred twenty".