121210200222 has 16 divisors (see below), whose sum is σ = 246038616192. Its totient is φ = 39800364120.

The previous prime is 121210200217. The next prime is 121210200269. The reversal of 121210200222 is 222002012121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150758554 + ... + 150759357.

It is an arithmetic number, because the mean of its divisors is an integer number (15377413512).

Almost surely, 2^121210200222 is an apocalyptic number.

121210200222 is an abundant number, since it is smaller than the sum of its proper divisors (124828415970).

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

121210200222 is a wasteful number, since it uses less digits than its factorization.

121210200222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301517983.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 121210200222 its reverse (222002012121), we get a palindrome (343212212343).

The spelling of 121210200222 in words is "one hundred twenty-one billion, two hundred ten million, two hundred thousand, two hundred twenty-two".