1222102321222 has 4 divisors (see below), whose sum is σ = 1833153481836. Its totient is φ = 611051160610.

The previous prime is 1222102321207. The next prime is 1222102321241. The reversal of 1222102321222 is 2221232012221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1222102321193 and 1222102321202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305525580304 + ... + 305525580307.

It is an arithmetic number, because the mean of its divisors is an integer number (458288370459).

Almost surely, 2^{1222102321222} is an apocalyptic number.

1222102321222 is a deficient number, since it is larger than the sum of its proper divisors (611051160614).

1222102321222 is an equidigital number, since it uses as much as digits as its factorization.

1222102321222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611051160613.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1222102321222 its reverse (2221232012221), we get a palindrome (3443334333443).

The spelling of 1222102321222 in words is "one trillion, two hundred twenty-two billion, one hundred two million, three hundred twenty-one thousand, two hundred twenty-two".