1103211031100 has 36 divisors (see below), whose sum is σ = 2394035443800. Its totient is φ = 441271968960.

The previous prime is 1103211031099. The next prime is 1103211031121. The reversal of 1103211031100 is 11301123011.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3946766 + ... + 4217034.

It is an arithmetic number, because the mean of its divisors is an integer number (66500984550).

Almost surely, 2^{1103211031100} is an apocalyptic number.

1103211031100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103211031100 is an abundant number, since it is smaller than the sum of its proper divisors (1290824412700).

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

1103211031100 is a wasteful number, since it uses less digits than its factorization.

1103211031100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311102 (or 311095 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 1103211031100 its reverse (11301123011), we get a palindrome (1114512154111).

The spelling of 1103211031100 in words is "one trillion, one hundred three billion, two hundred eleven million, thirty-one thousand, one hundred".