1100220102 has 24 divisors (see below), whose sum is σ = 2439249384. Its totient is φ = 358210944.

The previous prime is 1100220089. The next prime is 1100220103. The reversal of 1100220102 is 2010220011.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100220103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 709963 + ... + 711510.

It is an arithmetic number, because the mean of its divisors is an integer number (101635391).

Almost surely, 2^1100220102 is an apocalyptic number.

1100220102 is an abundant number, since it is smaller than the sum of its proper divisors (1339029282).

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

1100220102 is a wasteful number, since it uses less digits than its factorization.

1100220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421524 (or 1421521 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1100220102 is about 33169.5659000838. The cubic root of 1100220102 is about 1032.3489614459.

Adding to 1100220102 its reverse (2010220011), we get a palindrome (3110440113).

Subtracting 1100220102 from its reverse (2010220011), we obtain a palindrome (909999909).

The spelling of 1100220102 in words is "one billion, one hundred million, two hundred twenty thousand, one hundred two".