111220110011010 has 192 divisors, whose sum is σ = 364793072805504. Its totient is φ = 21332928153600.

The previous prime is 111220110011009. The next prime is 111220110011027. The reversal of 111220110011010 is 10110011022111.

111220110011010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-5 number, since 5×111220110011010⁵ (a number of 71 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 264335031 + ... + 264755450.

It is an arithmetic number, because the mean of its divisors is an integer number (1899963920862).

Almost surely, 2^{111220110011010} is an apocalyptic number.

111220110011010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111220110011010 is an abundant number, since it is smaller than the sum of its proper divisors (253572962794494).

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

111220110011010 is a wasteful number, since it uses less digits than its factorization.

111220110011010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529090529 (or 529090522 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 111220110011010 its reverse (10110011022111), we get a palindrome (121330121033121).

The spelling of 111220110011010 in words is "one hundred eleven trillion, two hundred twenty billion, one hundred ten million, eleven thousand, ten".