2120021222222 has 8 divisors (see below), whose sum is σ = 3282613505472. Its totient is φ = 1025816720400.

The previous prime is 2120021222173. The next prime is 2120021222243. The reversal of 2120021222222 is 2222221200212.

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

It is a junction number, because it is equal to n+sod(n) for n = 2120021222194 and 2120021222203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17096945279 + ... + 17096945402.

It is an arithmetic number, because the mean of its divisors is an integer number (410326688184).

Almost surely, 2^{2120021222222} is an apocalyptic number.

2120021222222 is a deficient number, since it is larger than the sum of its proper divisors (1162592283250).

2120021222222 is a wasteful number, since it uses less digits than its factorization.

2120021222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34193890714.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2120021222222 its reverse (2222221200212), we get a palindrome (4342242422434).

The spelling of 2120021222222 in words is "two trillion, one hundred twenty billion, twenty-one million, two hundred twenty-two thousand, two hundred twenty-two".