1100000222220 has 24 divisors (see below), whose sum is σ = 3080000622384. Its totient is φ = 293333392576.

The previous prime is 1100000222201. The next prime is 1100000222323. The reversal of 1100000222220 is 222220000011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1100000222196 and 1100000222205.

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, 9166668459 + ... + 9166668578.

It is an arithmetic number, because the mean of its divisors is an integer number (128333359266).

Almost surely, 2^{1100000222220} is an apocalyptic number.

1100000222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100000222220 is an abundant number, since it is smaller than the sum of its proper divisors (1980000400164).

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

1100000222220 is a wasteful number, since it uses less digits than its factorization.

1100000222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18333337049 (or 18333337047 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1100000222220 its reverse (222220000011), we get a palindrome (1322220222231).

The spelling of 1100000222220 in words is "one trillion, one hundred billion, two hundred twenty-two thousand, two hundred twenty".