1201122221301 has 12 divisors (see below), whose sum is σ = 1739532040480. Its totient is φ = 798635353320.

The previous prime is 1201122221281. The next prime is 1201122221363. The reversal of 1201122221301 is 1031222211021.

1201122221301 is a `hidden beast` number, since 1 + 20 + 1 + 122 + 221 + 301 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1201122221301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201122221501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176062585 + ... + 176069406.

Almost surely, 2^{1201122221301} is an apocalyptic number.

It is an amenable number.

1201122221301 is a deficient number, since it is larger than the sum of its proper divisors (538409819179).

1201122221301 is a wasteful number, since it uses less digits than its factorization.

1201122221301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352132376 (or 352132373 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1201122221301 its reverse (1031222211021), we get a palindrome (2232344432322).

The spelling of 1201122221301 in words is "one trillion, two hundred one billion, one hundred twenty-two million, two hundred twenty-one thousand, three hundred one".