1201022120222 has 16 divisors (see below), whose sum is σ = 1899683528400. Its totient is φ = 567905371200.

The previous prime is 1201022120167. The next prime is 1201022120227. The reversal of 1201022120222 is 2220212201021.

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 1201022120222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201022120227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27751529 + ... + 27794772.

It is an arithmetic number, because the mean of its divisors is an integer number (118730220525).

Almost surely, 2^{1201022120222} is an apocalyptic number.

1201022120222 is a deficient number, since it is larger than the sum of its proper divisors (698661408178).

1201022120222 is a wasteful number, since it uses less digits than its factorization.

1201022120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55546891.

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

Adding to 1201022120222 its reverse (2220212201021), we get a palindrome (3421234321243).

The spelling of 1201022120222 in words is "one trillion, two hundred one billion, twenty-two million, one hundred twenty thousand, two hundred twenty-two".