122222113220 has 24 divisors (see below), whose sum is σ = 256678775808. Its totient is φ = 48886495200.

The previous prime is 122222113201. The next prime is 122222113243. The reversal of 122222113220 is 22311222221.

122222113220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 122222113192 and 122222113201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315005 + ... + 586235.

It is an arithmetic number, because the mean of its divisors is an integer number (10694948992).

Almost surely, 2^122222113220 is an apocalyptic number.

122222113220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122222113220 is an abundant number, since it is smaller than the sum of its proper divisors (134456662588).

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

122222113220 is a wasteful number, since it uses less digits than its factorization.

122222113220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293771 (or 293769 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 122222113220 its reverse (22311222221), we get a palindrome (144533335441).

The spelling of 122222113220 in words is "one hundred twenty-two billion, two hundred twenty-two million, one hundred thirteen thousand, two hundred twenty".