22220020112002 has 4 divisors (see below), whose sum is σ = 33330030168006. Its totient is φ = 11110010056000.

The previous prime is 22220020111997. The next prime is 22220020112027. The reversal of 22220020112002 is 20021102002222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12155968144681 + 10064051967321 = 3486541^2 + 3172389^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555005027999 + ... + 5555005028002.

Almost surely, 2^{22220020112002} is an apocalyptic number.

22220020112002 is a deficient number, since it is larger than the sum of its proper divisors (11110010056004).

22220020112002 is a wasteful number, since it uses less digits than its factorization.

22220020112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11110010056003.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22220020112002 its reverse (20021102002222), we get a palindrome (42241122114224).

The spelling of 22220020112002 in words is "twenty-two trillion, two hundred twenty billion, twenty million, one hundred twelve thousand, two".