1122112002 has 16 divisors (see below), whose sum is σ = 2448244512. Its totient is φ = 340033920.

The previous prime is 1122112001. The next prime is 1122112007. The reversal of 1122112002 is 2002112211.

It is not an unprimeable number, because it can be changed into a prime (1122112001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8500783 + ... + 8500914.

It is an arithmetic number, because the mean of its divisors is an integer number (153015282).

Almost surely, 2^1122112002 is an apocalyptic number.

1122112002 is an abundant number, since it is smaller than the sum of its proper divisors (1326132510).

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

1122112002 is a wasteful number, since it uses less digits than its factorization.

1122112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17001713.

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

The square root of 1122112002 is about 33497.9402650372. The cubic root of 1122112002 is about 1039.1511817910.

Adding to 1122112002 its reverse (2002112211), we get a palindrome (3124224213).

It can be divided in two parts, 112211 and 2002, that multiplied together give a palindrome (224646422).

The spelling of 1122112002 in words is "one billion, one hundred twenty-two million, one hundred twelve thousand, two".