1201120022122 has 4 divisors (see below), whose sum is σ = 1801680033186. Its totient is φ = 600560011060.

The previous prime is 1201120022119. The next prime is 1201120022159. The reversal of 1201120022122 is 2212200211021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 693707417881 + 507412604241 = 832891^2 + 712329^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1201120022096 and 1201120022105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300280005529 + ... + 300280005532.

Almost surely, 2^{1201120022122} is an apocalyptic number.

1201120022122 is a deficient number, since it is larger than the sum of its proper divisors (600560011064).

1201120022122 is an equidigital number, since it uses as much as digits as its factorization.

1201120022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600560011063.

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

Adding to 1201120022122 its reverse (2212200211021), we get a palindrome (3413320233143).

The spelling of 1201120022122 in words is "one trillion, two hundred one billion, one hundred twenty million, twenty-two thousand, one hundred twenty-two".