2210000121001 has 4 divisors (see below), whose sum is σ = 2210033002500. Its totient is φ = 2209967239504.

The previous prime is 2210000120983. The next prime is 2210000121059. The reversal of 2210000121001 is 1001210000122.

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 721099878976 + 1488900242025 = 849176^2 + 1220205^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210000121001 - 2⁵ = 2210000120969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2210000121061) 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, 16339726 + ... + 16474423.

It is an arithmetic number, because the mean of its divisors is an integer number (552508250625).

Almost surely, 2^{2210000121001} is an apocalyptic number.

It is an amenable number.

2210000121001 is a deficient number, since it is larger than the sum of its proper divisors (32881499).

2210000121001 is an equidigital number, since it uses as much as digits as its factorization.

2210000121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32881498.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2210000121001 its reverse (1001210000122), we get a palindrome (3211210121123).

The spelling of 2210000121001 in words is "two trillion, two hundred ten billion, one hundred twenty-one thousand, one".