1100002222220 has 48 divisors (see below), whose sum is σ = 2542306078368. Its totient is φ = 396460968960.

The previous prime is 1100002222201. The next prime is 1100002222261. The reversal of 1100002222220 is 222222000011.

It is a junction number, because it is equal to n+sod(n) for n = 1100002222195 and 1100002222204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22099079 + ... + 22148798.

It is an arithmetic number, because the mean of its divisors is an integer number (52964709966).

Almost surely, 2^{1100002222220} is an apocalyptic number.

1100002222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100002222220 is an abundant number, since it is smaller than the sum of its proper divisors (1442303856148).

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

1100002222220 is a wasteful number, since it uses less digits than its factorization.

1100002222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44248010 (or 44248008 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1100002222220 its reverse (222222000011), we get a palindrome (1322224222231).

The spelling of 1100002222220 in words is "one trillion, one hundred billion, two million, two hundred twenty-two thousand, two hundred twenty".