1222120121122 has 16 divisors (see below), whose sum is σ = 1962369511200. Its totient is φ = 569087156160.

The previous prime is 1222120121111. The next prime is 1222120121137. The reversal of 1222120121122 is 2211210212221.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 1222120121122.

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, 272549079 + ... + 272553562.

It is an arithmetic number, because the mean of its divisors is an integer number (122648094450).

Almost surely, 2^{1222120121122} is an apocalyptic number.

1222120121122 is a deficient number, since it is larger than the sum of its proper divisors (740249390078).

1222120121122 is a wasteful number, since it uses less digits than its factorization.

1222120121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545102721.

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

Adding to 1222120121122 its reverse (2211210212221), we get a palindrome (3433330333343).

The spelling of 1222120121122 in words is "one trillion, two hundred twenty-two billion, one hundred twenty million, one hundred twenty-one thousand, one hundred twenty-two".