111033165420 has 120 divisors (see below), whose sum is σ = 349556141088. Its totient is φ = 29503353600.

The previous prime is 111033165377. The next prime is 111033165427. The reversal of 111033165420 is 24561330111.

It is a happy number.

111033165420 is a `hidden beast` number, since 1 + 1 + 1 + 0 + 3 + 3 + 1 + 654 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (111033165427) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 333265 + ... + 577175.

Almost surely, 2^111033165420 is an apocalyptic number.

111033165420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111033165420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174778070544).

111033165420 is an abundant number, since it is smaller than the sum of its proper divisors (238522975668).

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

111033165420 is a wasteful number, since it uses less digits than its factorization.

111033165420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244213 (or 244202 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 111033165420 its reverse (24561330111), we get a palindrome (135594495531).

It can be divided in two parts, 11103 and 3165420, that added together give a cube (3176523 = 147³).

The spelling of 111033165420 in words is "one hundred eleven billion, thirty-three million, one hundred sixty-five thousand, four hundred twenty".