1100021102200 has 48 divisors (see below), whose sum is σ = 2557715771160. Its totient is φ = 439979760000.

The previous prime is 1100021102119. The next prime is 1100021102209. The reversal of 1100021102200 is 22011200011.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100021102209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3040975 + ... + 3383425.

Almost surely, 2^{1100021102200} is an apocalyptic number.

1100021102200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100021102200 is an abundant number, since it is smaller than the sum of its proper divisors (1457694668960).

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

1100021102200 is a wasteful number, since it uses less digits than its factorization.

1100021102200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358528 (or 358519 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1100021102200 its reverse (22011200011), we get a palindrome (1122032302211).

The spelling of 1100021102200 in words is "one trillion, one hundred billion, twenty-one million, one hundred two thousand, two hundred".