121000220102222 has 16 divisors (see below), whose sum is σ = 186598384720272. Its totient is φ = 58811412770880.

The previous prime is 121000220102219. The next prime is 121000220102231. The reversal of 121000220102222 is 222201022000121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 121000220102222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2663537648 + ... + 2663583075.

It is an arithmetic number, because the mean of its divisors is an integer number (11662399045017).

Almost surely, 2^{121000220102222} is an apocalyptic number.

121000220102222 is a deficient number, since it is larger than the sum of its proper divisors (65598164618050).

121000220102222 is a wasteful number, since it uses less digits than its factorization.

121000220102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5327121043.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 121000220102222 its reverse (222201022000121), we get a palindrome (343201242102343).

The spelling of 121000220102222 in words is "one hundred twenty-one trillion, two hundred twenty million, one hundred two thousand, two hundred twenty-two".