1100022122112 has 64 divisors (see below), whose sum is σ = 2929220789760. Its totient is φ = 365759590400.

The previous prime is 1100022122083. The next prime is 1100022122119. The reversal of 1100022122112 is 2112212200011.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 1100022122091 and 1100022122100.

It is not an unprimeable number, because it can be changed into a prime (1100022122119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3417888 + ... + 3725855.

It is an arithmetic number, because the mean of its divisors is an integer number (45769074840).

Almost surely, 2^{1100022122112} is an apocalyptic number.

1100022122112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1100022122112 is an abundant number, since it is smaller than the sum of its proper divisors (1829198667648).

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

1100022122112 is an equidigital number, since it uses as much as digits as its factorization.

1100022122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7144161 (or 7144149 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1100022122112 its reverse (2112212200011), we get a palindrome (3212234322123).

The spelling of 1100022122112 in words is "one trillion, one hundred billion, twenty-two million, one hundred twenty-two thousand, one hundred twelve".