111200221220010 has 64 divisors (see below), whose sum is σ = 304316261528832. Its totient is φ = 25762223195136.

The previous prime is 111200221219981. The next prime is 111200221220041. The reversal of 111200221220010 is 10022122002111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8386133734 + ... + 8386146993.

It is an arithmetic number, because the mean of its divisors is an integer number (4754941586388).

Almost surely, 2^{111200221220010} is an apocalyptic number.

111200221220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111200221220010 is an abundant number, since it is smaller than the sum of its proper divisors (193116040308822).

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

111200221220010 is a wasteful number, since it uses less digits than its factorization.

111200221220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16772280767.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111200221220010 its reverse (10022122002111), we get a palindrome (121222343222121).

It can be divided in two parts, 11 and 1200221220010, that added together give a palindrome (1200221220021).

The spelling of 111200221220010 in words is "one hundred eleven trillion, two hundred billion, two hundred twenty-one million, two hundred twenty thousand, ten".