111120210222220 has 12 divisors (see below), whose sum is σ = 233352441466704. Its totient is φ = 44448084088880.

The previous prime is 111120210222191. The next prime is 111120210222227. The reversal of 111120210222220 is 22222012021111.

It is a super-2 number, since 2×111120210222220² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111120210222227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2778005255536 + ... + 2778005255575.

It is an arithmetic number, because the mean of its divisors is an integer number (19446036788892).

Almost surely, 2^{111120210222220} is an apocalyptic number.

111120210222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111120210222220 is an abundant number, since it is smaller than the sum of its proper divisors (122232231244484).

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

111120210222220 is a wasteful number, since it uses less digits than its factorization.

111120210222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5556010511120 (or 5556010511118 counting only the distinct ones).

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

Adding to 111120210222220 its reverse (22222012021111), we get a palindrome (133342222243331).

The spelling of 111120210222220 in words is "one hundred eleven trillion, one hundred twenty billion, two hundred ten million, two hundred twenty-two thousand, two hundred twenty".