1102220112 has 120 divisors (see below), whose sum is σ = 3329480352. Its totient is φ = 313286400.

The previous prime is 1102220107. The next prime is 1102220131. The reversal of 1102220112 is 2110222011.

It is a super-3 number, since 3×1102220112³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 495162 + ... + 497382.

Almost surely, 2^1102220112 is an apocalyptic number.

1102220112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1102220112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1664740176).

1102220112 is an abundant number, since it is smaller than the sum of its proper divisors (2227260240).

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

1102220112 is a wasteful number, since it uses less digits than its factorization.

1102220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457 (or 2444 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1102220112 is about 33199.7004805766. The cubic root of 1102220112 is about 1032.9741267834.

Adding to 1102220112 its reverse (2110222011), we get a palindrome (3212442123).

It can be divided in two parts, 110222011 and 2, that multiplied together give a palindrome (220444022).

The spelling of 1102220112 in words is "one billion, one hundred two million, two hundred twenty thousand, one hundred twelve".