2201303100121 has 24 divisors (see below), whose sum is σ = 2272408106360. Its totient is φ = 2132169302016.

The previous prime is 2201303100109. The next prime is 2201303100127. The reversal of 2201303100121 is 1210013031022.

It can be written as a sum of positive squares in 12 ways, for example, as 7382246400 + 2193920853721 = 85920^2 + 1481189^2 .

It is not a de Polignac number, because 2201303100121 - 2⁵ = 2201303100089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2201303100095 and 2201303100104.

It is not an unprimeable number, because it can be changed into a prime (2201303100127) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 111431581 + ... + 111451333.

Almost surely, 2^{2201303100121} is an apocalyptic number.

It is an amenable number.

2201303100121 is a deficient number, since it is larger than the sum of its proper divisors (71105006239).

2201303100121 is an equidigital number, since it uses as much as digits as its factorization.

2201303100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20365 (or 20312 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2201303100121 its reverse (1210013031022), we get a palindrome (3411316131143).

It can be divided in two parts, 22013031001 and 21, that added together give a palindrome (22013031022).

The spelling of 2201303100121 in words is "two trillion, two hundred one billion, three hundred three million, one hundred thousand, one hundred twenty-one".