2210201001121 has 4 divisors (see below), whose sum is σ = 2210215826052. Its totient is φ = 2210186176192.

The previous prime is 2210201001109. The next prime is 2210201001143. The reversal of 2210201001121 is 1211001020122.

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 453250751121 + 1756950250000 = 673239^2 + 1325500^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210201001121 - 2¹¹ = 2210200999073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2210201001181) 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 3 ways as a sum of consecutive naturals, for example, 7186540 + ... + 7487773.

It is an arithmetic number, because the mean of its divisors is an integer number (552553956513).

Almost surely, 2^{2210201001121} is an apocalyptic number.

It is an amenable number.

2210201001121 is a deficient number, since it is larger than the sum of its proper divisors (14824931).

2210201001121 is a wasteful number, since it uses less digits than its factorization.

2210201001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14824930.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2210201001121 its reverse (1211001020122), we get a palindrome (3421202021243).

The spelling of 2210201001121 in words is "two trillion, two hundred ten billion, two hundred one million, one thousand, one hundred twenty-one".