1103211122112 has 168 divisors, whose sum is σ = 3560903004672. Its totient is φ = 323522265600.

The previous prime is 1103211122107. The next prime is 1103211122173. The reversal of 1103211122112 is 2112211123011.

It is a happy number.

1103211122112 is a `hidden beast` number, since 110 + 321 + 1 + 1 + 221 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2611938 + ... + 3004769.

Almost surely, 2^{1103211122112} is an apocalyptic number.

1103211122112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1103211122112 is an abundant number, since it is smaller than the sum of its proper divisors (2457691882560).

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

1103211122112 is a wasteful number, since it uses less digits than its factorization.

1103211122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5616767 (or 5616754 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 1103211122112 its reverse (2112211123011), we get a palindrome (3215422245123).

The spelling of 1103211122112 in words is "one trillion, one hundred three billion, two hundred eleven million, one hundred twenty-two thousand, one hundred twelve".