1100122222000 has 40 divisors (see below), whose sum is σ = 2660095537632. Its totient is φ = 440048888000.

The previous prime is 1100122221983. The next prime is 1100122222051. The reversal of 1100122222000 is 2222210011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

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, 275028556 + ... + 275032555.

Almost surely, 2^{1100122222000} is an apocalyptic number.

1100122222000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100122222000 is an abundant number, since it is smaller than the sum of its proper divisors (1559973315632).

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

1100122222000 is an equidigital number, since it uses as much as digits as its factorization.

1100122222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550061134 (or 550061118 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1100122222000 its reverse (2222210011), we get a palindrome (1102344432011).

The spelling of 1100122222000 in words is "one trillion, one hundred billion, one hundred twenty-two million, two hundred twenty-two thousand".