1220120101222 has 32 divisors (see below), whose sum is σ = 2010798017280. Its totient is φ = 550651828320.

The previous prime is 1220120101159. The next prime is 1220120101229. The reversal of 1220120101222 is 2221010210221.

It is a happy number.

It is a super-2 number, since 2×1220120101222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1220120101196 and 1220120101205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220120101229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3464679 + ... + 3800557.

It is an arithmetic number, because the mean of its divisors is an integer number (62837438040).

Almost surely, 2^{1220120101222} is an apocalyptic number.

1220120101222 is a deficient number, since it is larger than the sum of its proper divisors (790677916058).

1220120101222 is a wasteful number, since it uses less digits than its factorization.

1220120101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337068.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1220120101222 its reverse (2221010210221), we get a palindrome (3441130311443).

The spelling of 1220120101222 in words is "one trillion, two hundred twenty billion, one hundred twenty million, one hundred one thousand, two hundred twenty-two".