2220121112222 has 8 divisors (see below), whose sum is σ = 3586349489016. Its totient is φ = 1024671282552.

The previous prime is 2220121112219. The next prime is 2220121112227. The reversal of 2220121112222 is 2222111210222.

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 = 2220121112194 and 2220121112203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220121112227) 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, 42694636748 + ... + 42694636799.

It is an arithmetic number, because the mean of its divisors is an integer number (448293686127).

Almost surely, 2^{2220121112222} is an apocalyptic number.

2220121112222 is a deficient number, since it is larger than the sum of its proper divisors (1366228376794).

2220121112222 is a wasteful number, since it uses less digits than its factorization.

2220121112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85389273562.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2220121112222 its reverse (2222111210222), we get a palindrome (4442232322444).

The spelling of 2220121112222 in words is "two trillion, two hundred twenty billion, one hundred twenty-one million, one hundred twelve thousand, two hundred twenty-two".