19220112002 has 16 divisors (see below), whose sum is σ = 35483284032. Its totient is φ = 7603560720.

The previous prime is 19220111969. The next prime is 19220112011. The reversal of 19220112002 is 20021102291.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52802324 + ... + 52802687.

It is an arithmetic number, because the mean of its divisors is an integer number (2217705252).

Almost surely, 2^19220112002 is an apocalyptic number.

19220112002 is a deficient number, since it is larger than the sum of its proper divisors (16263172030).

19220112002 is a wasteful number, since it uses less digits than its factorization.

19220112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105605033.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 19220112002 its reverse (20021102291), we get a palindrome (39241214293).

The spelling of 19220112002 in words is "nineteen billion, two hundred twenty million, one hundred twelve thousand, two".