111012220222120 has 64 divisors (see below), whose sum is σ = 286654388313600. Its totient is φ = 37902080186880.

The previous prime is 111012220222087. The next prime is 111012220222153. The reversal of 111012220222120 is 21222022210111.

It is an interprime number because it is at equal distance from previous prime (111012220222087) and next prime (111012220222153).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 829372861 + ... + 829506700.

It is an arithmetic number, because the mean of its divisors is an integer number (4478974817400).

Almost surely, 2^{111012220222120} is an apocalyptic number.

111012220222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111012220222120 is an abundant number, since it is smaller than the sum of its proper divisors (175642168091480).

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

111012220222120 is a wasteful number, since it uses less digits than its factorization.

111012220222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658879818 (or 1658879814 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 111012220222120 its reverse (21222022210111), we get a palindrome (132234242432231).

The spelling of 111012220222120 in words is "one hundred eleven trillion, twelve billion, two hundred twenty million, two hundred twenty-two thousand, one hundred twenty".