121222110212222 has 16 divisors (see below), whose sum is σ = 183054100975200. Its totient is φ = 60204079126752.

The previous prime is 121222110212213. The next prime is 121222110212237. The reversal of 121222110212222 is 222212011222121.

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, 166604303 + ... + 167330325.

It is an arithmetic number, because the mean of its divisors is an integer number (11440881310950).

Almost surely, 2^{121222110212222} is an apocalyptic number.

121222110212222 is a deficient number, since it is larger than the sum of its proper divisors (61831990762978).

121222110212222 is a wasteful number, since it uses less digits than its factorization.

121222110212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286467.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 121222110212222 its reverse (222212011222121), we get a palindrome (343434121434343).

The spelling of 121222110212222 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, one hundred ten million, two hundred twelve thousand, two hundred twenty-two".