1201120121122 has 16 divisors (see below), whose sum is σ = 1821975237720. Its totient is φ = 593795423232.

The previous prime is 1201120121059. The next prime is 1201120121221. The reversal of 1201120121122 is 2211210211021.

It can be written as a sum of positive squares in 4 ways, for example, as 170223081561 + 1030897039561 = 412581^2 + 1015331^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1201120121096 and 1201120121105.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8292958 + ... + 8436550.

Almost surely, 2^{1201120121122} is an apocalyptic number.

1201120121122 is a deficient number, since it is larger than the sum of its proper divisors (620855116598).

1201120121122 is a wasteful number, since it uses less digits than its factorization.

1201120121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190677.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1201120121122 its reverse (2211210211021), we get a palindrome (3412330332143).

The spelling of 1201120121122 in words is "one trillion, two hundred one billion, one hundred twenty million, one hundred twenty-one thousand, one hundred twenty-two".