1222121120222 has 16 divisors (see below), whose sum is σ = 1876282297920. Its totient is φ = 596750587008.

The previous prime is 1222121120201. The next prime is 1222121120261. The reversal of 1222121120222 is 2220211212221.

It is a junction number, because it is equal to n+sod(n) for n = 1222121120194 and 1222121120203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14181647 + ... + 14267562.

It is an arithmetic number, because the mean of its divisors is an integer number (117267643620).

Almost surely, 2^{1222121120222} is an apocalyptic number.

1222121120222 is a deficient number, since it is larger than the sum of its proper divisors (654161177698).

1222121120222 is a wasteful number, since it uses less digits than its factorization.

1222121120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28449715.

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

Adding to 1222121120222 its reverse (2220211212221), we get a palindrome (3442332332443).

The spelling of 1222121120222 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-one million, one hundred twenty thousand, two hundred twenty-two".