2122220112002 has 8 divisors (see below), whose sum is σ = 3183336968700.
Its totient is φ = 1061107789104.
The previous prime is 2122220111989. The next prime is 2122220112007. The reversal of 2122220112002 is 2002110222212.
Adding to 2122220112002 its reverse (2002110222212), we get a palindrome (4124330334214).
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 1362727034881 + 759493077121 = 1167359^2 + 871489^2
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 (2122220112007) 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, 518024 + ... + 2124332.
Almost surely, 22122220112002 is an apocalyptic number.
2122220112002 is a deficient number, since it is larger than the sum of its proper divisors (1061116856698).
2122220112002 is a wasteful number, since it uses less digits than its factorization.
2122220112002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2266900.
The product of its (nonzero) digits is 128, while the sum is 17.
The spelling of 2122220112002 in words is "two trillion, one hundred twenty-two billion, two hundred twenty million, one hundred twelve thousand, two".