2201233102121 has 4 divisors (see below), whose sum is σ = 2208265796052. Its totient is φ = 2194200408192.

The previous prime is 2201233102093. The next prime is 2201233102139. The reversal of 2201233102121 is 1212013321022.

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 731777593600 + 1469455508521 = 855440^2 + 1212211^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2201233102121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2201233102093 and 2201233102102.

It is not an unprimeable number, because it can be changed into a prime (2201233102021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3516346496 + ... + 3516347121.

It is an arithmetic number, because the mean of its divisors is an integer number (552066449013).

Almost surely, 2^{2201233102121} is an apocalyptic number.

It is an amenable number.

2201233102121 is a deficient number, since it is larger than the sum of its proper divisors (7032693931).

2201233102121 is an equidigital number, since it uses as much as digits as its factorization.

2201233102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7032693930.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2201233102121 its reverse (1212013321022), we get a palindrome (3413246423143).

The spelling of 2201233102121 in words is "two trillion, two hundred one billion, two hundred thirty-three million, one hundred two thousand, one hundred twenty-one".