200120121222122 has 16 divisors (see below), whose sum is σ = 301242475062240. Its totient is φ = 99705966591312.

The previous prime is 200120121222097. The next prime is 200120121222137. The reversal of 200120121222122 is 221222121021002.

It is a junction number, because it is equal to n+sod(n) for n = 200120121222094 and 200120121222103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120709904 + ... + 122356532.

It is an arithmetic number, because the mean of its divisors is an integer number (18827654691390).

Almost surely, 2^{200120121222122} is an apocalyptic number.

200120121222122 is a deficient number, since it is larger than the sum of its proper divisors (101122353840118).

200120121222122 is a wasteful number, since it uses less digits than its factorization.

200120121222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861637.

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

Adding to 200120121222122 its reverse (221222121021002), we get a palindrome (421342242243124).

The spelling of 200120121222122 in words is "two hundred trillion, one hundred twenty billion, one hundred twenty-one million, two hundred twenty-two thousand, one hundred twenty-two".