1210221113301 has 36 divisors (see below), whose sum is σ = 1861408785600. Its totient is φ = 757541440128.

The previous prime is 1210221113287. The next prime is 1210221113317. The reversal of 1210221113301 is 1033111220121.

1210221113301 is a `hidden beast` number, since 121 + 0 + 2 + 211 + 1 + 330 + 1 = 666.

It is not a de Polignac number, because 1210221113301 - 2¹⁸ = 1210220851157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210221113351) 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 35 ways as a sum of consecutive naturals, for example, 534580 + ... + 1645058.

It is an arithmetic number, because the mean of its divisors is an integer number (51705799600).

Almost surely, 2^{1210221113301} is an apocalyptic number.

It is an amenable number.

1210221113301 is a deficient number, since it is larger than the sum of its proper divisors (651187672299).

1210221113301 is a wasteful number, since it uses less digits than its factorization.

1210221113301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110938 (or 1110918 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1210221113301 its reverse (1033111220121), we get a palindrome (2243332333422).

The spelling of 1210221113301 in words is "one trillion, two hundred ten billion, two hundred twenty-one million, one hundred thirteen thousand, three hundred one".