111011122021120 has 36 divisors (see below), whose sum is σ = 265906328219280. Its totient is φ = 44404448807936.

The previous prime is 111011122021109. The next prime is 111011122021133. The reversal of 111011122021120 is 21120221110111.

It is a super-3 number, since 3×111011122021120³ (a number of 43 digits) contains 333 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 = 111011122021094 and 111011122021103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43363718260 + ... + 43363720819.

It is an arithmetic number, because the mean of its divisors is an integer number (7386286894980).

Almost surely, 2^{111011122021120} is an apocalyptic number.

111011122021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111011122021120 is an abundant number, since it is smaller than the sum of its proper divisors (154895206198160).

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

111011122021120 is an frugal number, since it uses more digits than its factorization.

111011122021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86727439100 (or 86727439086 counting only the distinct ones).

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

Adding to 111011122021120 its reverse (21120221110111), we get a palindrome (132131343131231).

The spelling of 111011122021120 in words is "one hundred eleven trillion, eleven billion, one hundred twenty-two million, twenty-one thousand, one hundred twenty".