1102203212100 has 36 divisors (see below), whose sum is σ = 3189041294544. Its totient is φ = 293920856480.

The previous prime is 1102203212057. The next prime is 1102203212167. The reversal of 1102203212100 is 12123022011.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1102203212100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1837005054 + ... + 1837005653.

It is an arithmetic number, because the mean of its divisors is an integer number (88584480404).

Almost surely, 2^{1102203212100} is an apocalyptic number.

1102203212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102203212100 is an abundant number, since it is smaller than the sum of its proper divisors (2086838082444).

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

1102203212100 is a wasteful number, since it uses less digits than its factorization.

1102203212100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3674010724 (or 3674010717 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1102203212100 its reverse (12123022011), we get a palindrome (1114326234111).

The spelling of 1102203212100 in words is "one trillion, one hundred two billion, two hundred three million, two hundred twelve thousand, one hundred".