1102211244 has 72 divisors (see below), whose sum is σ = 2940144480. Its totient is φ = 347457792.

The previous prime is 1102211213. The next prime is 1102211251. The reversal of 1102211244 is 4421122011.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 23 ways as a sum of consecutive naturals, for example, 66214 + ... + 81170.

It is an arithmetic number, because the mean of its divisors is an integer number (40835340).

Almost surely, 2^1102211244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1102211244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1470072240).

1102211244 is an abundant number, since it is smaller than the sum of its proper divisors (1837933236).

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

1102211244 is a wasteful number, since it uses less digits than its factorization.

1102211244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15079 (or 15074 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1102211244 is about 33199.5669248862. The cubic root of 1102211244 is about 1032.9713564840.

Adding to 1102211244 its reverse (4421122011), we get a palindrome (5523333255).

The spelling of 1102211244 in words is "one billion, one hundred two million, two hundred eleven thousand, two hundred forty-four".