111220102030 has 32 divisors (see below), whose sum is σ = 211054019904. Its totient is φ = 42115070976.

The previous prime is 111220102013. The next prime is 111220102033. The reversal of 111220102030 is 30201022111.

It is a super-2 number, since 2×111220102030² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111220102030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111220102033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2470297 + ... + 2514916.

It is an arithmetic number, because the mean of its divisors is an integer number (6595438122).

Almost surely, 2^111220102030 is an apocalyptic number.

111220102030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111220102030 is a deficient number, since it is larger than the sum of its proper divisors (99833917874).

111220102030 is a wasteful number, since it uses less digits than its factorization.

111220102030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4985340.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 111220102030 its reverse (30201022111), we get a palindrome (141421124141).

The spelling of 111220102030 in words is "one hundred eleven billion, two hundred twenty million, one hundred two thousand, thirty".