12121110222022 has 16 divisors (see below), whose sum is σ = 18712935366912. Its totient is φ = 5886013157640.

The previous prime is 12121110221993. The next prime is 12121110222071. The reversal of 12121110222022 is 22022201112121.

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, 637004898 + ... + 637023925.

It is an arithmetic number, because the mean of its divisors is an integer number (1169558460432).

Almost surely, 2^{12121110222022} is an apocalyptic number.

12121110222022 is a deficient number, since it is larger than the sum of its proper divisors (6591825144890).

12121110222022 is a wasteful number, since it uses less digits than its factorization.

12121110222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274028963.

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

Adding to 12121110222022 its reverse (22022201112121), we get a palindrome (34143311334143).

The spelling of 12121110222022 in words is "twelve trillion, one hundred twenty-one billion, one hundred ten million, two hundred twenty-two thousand, twenty-two".