1101132212100 has 72 divisors (see below), whose sum is σ = 3186185966880. Its totient is φ = 293612820480.

The previous prime is 1101132212083. The next prime is 1101132212153. The reversal of 1101132212100 is 12122311011.

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 1101132212100.

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, 3995556 + ... + 4262244.

Almost surely, 2^{1101132212100} is an apocalyptic number.

1101132212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101132212100 is an abundant number, since it is smaller than the sum of its proper divisors (2085053754780).

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

1101132212100 is a wasteful number, since it uses less digits than its factorization.

1101132212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280469 (or 280462 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1101132212100 its reverse (12122311011), we get a palindrome (1113254523111).

The spelling of 1101132212100 in words is "one trillion, one hundred one billion, one hundred thirty-two million, two hundred twelve thousand, one hundred".