221130113301001 has 4 divisors (see below), whose sum is σ = 223158829936900. Its totient is φ = 219101396665104.

The previous prime is 221130113300989. The next prime is 221130113301073. The reversal of 221130113301001 is 100103311031122.

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

It can be written as a sum of positive squares in 2 ways, for example, as 98979098982976 + 122151014318025 = 9948824^2 + 11052195^2 .

It is a cyclic number.

It is not a de Polignac number, because 221130113301001 - 2⁵ = 221130113300969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221130113301001.

It is not an unprimeable number, because it can be changed into a prime (221130114301001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1014358317786 + ... + 1014358318003.

It is an arithmetic number, because the mean of its divisors is an integer number (55789707484225).

Almost surely, 2^{221130113301001} is an apocalyptic number.

It is an amenable number.

221130113301001 is a deficient number, since it is larger than the sum of its proper divisors (2028716635899).

221130113301001 is a wasteful number, since it uses less digits than its factorization.

221130113301001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028716635898.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 221130113301001 its reverse (100103311031122), we get a palindrome (321233424332123).

The spelling of 221130113301001 in words is "two hundred twenty-one trillion, one hundred thirty billion, one hundred thirteen million, three hundred one thousand, one".