20112021222002 has 8 divisors (see below), whose sum is σ = 30168169430256. Its totient is φ = 10055964745252.

The previous prime is 20112021222001. The next prime is 20112021222019. The reversal of 20112021222002 is 20022212021102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20112021222001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22382108 + ... + 23263335.

It is an arithmetic number, because the mean of its divisors is an integer number (3771021178782).

Almost surely, 2^{20112021222002} is an apocalyptic number.

20112021222002 is a deficient number, since it is larger than the sum of its proper divisors (10056148208254).

20112021222002 is a wasteful number, since it uses less digits than its factorization.

20112021222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45865752.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20112021222002 its reverse (20022212021102), we get a palindrome (40134233243104).

The spelling of 20112021222002 in words is "twenty trillion, one hundred twelve billion, twenty-one million, two hundred twenty-two thousand, two".