1102272102 has 48 divisors (see below), whose sum is σ = 2534388480. Its totient is φ = 345484656.

The previous prime is 1102272071. The next prime is 1102272103. The reversal of 1102272102 is 2012722011.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102272103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1863 + ... + 46989.

It is an arithmetic number, because the mean of its divisors is an integer number (52799760).

Almost surely, 2^1102272102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1102272102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1267194240).

1102272102 is an abundant number, since it is smaller than the sum of its proper divisors (1432116378).

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

1102272102 is a wasteful number, since it uses less digits than its factorization.

1102272102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45217 (or 45214 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 1102272102 is about 33200.4834603353. The cubic root of 1102272102 is about 1032.9903677864.

Adding to 1102272102 its reverse (2012722011), we get a palindrome (3114994113).

The spelling of 1102272102 in words is "one billion, one hundred two million, two hundred seventy-two thousand, one hundred two".