121000100200222 has 32 divisors (see below), whose sum is σ = 187100001308160. Its totient is φ = 58657608282240.

The previous prime is 121000100200219. The next prime is 121000100200229. The reversal of 121000100200222 is 222002001000121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121000100200229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359214054 + ... + 359550742.

It is an arithmetic number, because the mean of its divisors is an integer number (5846875040880).

Almost surely, 2^{121000100200222} is an apocalyptic number.

121000100200222 is a deficient number, since it is larger than the sum of its proper divisors (66099901107938).

121000100200222 is a wasteful number, since it uses less digits than its factorization.

121000100200222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372576.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 121000100200222 its reverse (222002001000121), we get a palindrome (343002101200343).

The spelling of 121000100200222 in words is "one hundred twenty-one trillion, one hundred million, two hundred thousand, two hundred twenty-two".