121222000223022 has 16 divisors (see below), whose sum is σ = 243783470063952. Its totient is φ = 40184088471360.

The previous prime is 121222000223011. The next prime is 121222000223057. The reversal of 121222000223022 is 220322000222121.

It is a self number, because there is not a number n which added to its sum of digits gives 121222000223022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55811232903 + ... + 55811235074.

It is an arithmetic number, because the mean of its divisors is an integer number (15236466878997).

Almost surely, 2^{121222000223022} is an apocalyptic number.

121222000223022 is an abundant number, since it is smaller than the sum of its proper divisors (122561469840930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121222000223022 is a wasteful number, since it uses less digits than its factorization.

121222000223022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111622468163.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 121222000223022 its reverse (220322000222121), we get a palindrome (341544000445143).

Subtracting 121222000223022 from its reverse (220322000222121), we obtain a palindrome (99099999999099).

The spelling of 121222000223022 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, two hundred twenty-three thousand, twenty-two".