121220200222 has 16 divisors (see below), whose sum is σ = 208800345600. Its totient is φ = 52200086040.

The previous prime is 121220200207. The next prime is 121220200223. The reversal of 121220200222 is 222002022121.

121220200222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 121220200196 and 121220200205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121220200223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144999822 + ... + 145000657.

It is an arithmetic number, because the mean of its divisors is an integer number (13050021600).

Almost surely, 2^121220200222 is an apocalyptic number.

121220200222 is a deficient number, since it is larger than the sum of its proper divisors (87580145378).

121220200222 is a wasteful number, since it uses less digits than its factorization.

121220200222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290000511.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 121220200222 its reverse (222002022121), we get a palindrome (343222222343).

The spelling of 121220200222 in words is "one hundred twenty-one billion, two hundred twenty million, two hundred thousand, two hundred twenty-two".