222200111122220 has 384 divisors, whose sum is σ = 603286918907904. Its totient is φ = 66739276800000.

The previous prime is 222200111122169. The next prime is 222200111122243. The reversal of 222200111122220 is 22221111002222.

It is a super-2 number, since 2×222200111122220² (a number of 29 digits) contains 22 as substring.

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 = 222200111122192 and 222200111122201.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2684734559 + ... + 2684817321.

It is an arithmetic number, because the mean of its divisors is an integer number (1571059684656).

Almost surely, 2^{222200111122220} is an apocalyptic number.

222200111122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222200111122220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301643459453952).

222200111122220 is an abundant number, since it is smaller than the sum of its proper divisors (381086807785684).

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

222200111122220 is a wasteful number, since it uses less digits than its factorization.

222200111122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83353 (or 83351 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222200111122220 its reverse (22221111002222), we get a palindrome (244421222124442).

The spelling of 222200111122220 in words is "two hundred twenty-two trillion, two hundred billion, one hundred eleven million, one hundred twenty-two thousand, two hundred twenty".