111022122123220 has 48 divisors (see below), whose sum is σ = 290676101563008. Its totient is φ = 34604297804160.

The previous prime is 111022122123181. The next prime is 111022122123223. The reversal of 111022122123220 is 22321221220111.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 111022122123191 and 111022122123200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111022122123223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36046142007 + ... + 36046145086.

It is an arithmetic number, because the mean of its divisors is an integer number (6055752115896).

Almost surely, 2^{111022122123220} is an apocalyptic number.

111022122123220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111022122123220 is an abundant number, since it is smaller than the sum of its proper divisors (179653979439788).

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

111022122123220 is a wasteful number, since it uses less digits than its factorization.

111022122123220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72092287120 (or 72092287118 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 111022122123220 its reverse (22321221220111), we get a palindrome (133343343343331).

The spelling of 111022122123220 in words is "one hundred eleven trillion, twenty-two billion, one hundred twenty-two million, one hundred twenty-three thousand, two hundred twenty".