121210200221122 has 8 divisors (see below), whose sum is σ = 182295024080400. Its totient is φ = 60445192194324.

The previous prime is 121210200221113. The next prime is 121210200221147. The reversal of 121210200221122 is 221122002012121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 121210200221122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79953957172 + ... + 79953958687.

It is an arithmetic number, because the mean of its divisors is an integer number (22786878010050).

Almost surely, 2^{121210200221122} is an apocalyptic number.

121210200221122 is a deficient number, since it is larger than the sum of its proper divisors (61084823859278).

121210200221122 is a wasteful number, since it uses less digits than its factorization.

121210200221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159907916240.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121210200221122 its reverse (221122002012121), we get a palindrome (342332202233243).

The spelling of 121210200221122 in words is "one hundred twenty-one trillion, two hundred ten billion, two hundred million, two hundred twenty-one thousand, one hundred twenty-two".