2123101001 has 8 divisors (see below), whose sum is σ = 2460576384. Its totient is φ = 1794169440.

The previous prime is 2123100989. The next prime is 2123101007. The reversal of 2123101001 is 1001013212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2123101001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2123101007) 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 7 ways as a sum of consecutive naturals, for example, 2135420 + ... + 2136413.

It is an arithmetic number, because the mean of its divisors is an integer number (307572048).

Almost surely, 2^2123101001 is an apocalyptic number.

It is an amenable number.

2123101001 is a deficient number, since it is larger than the sum of its proper divisors (337475383).

2123101001 is an equidigital number, since it uses as much as digits as its factorization.

2123101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4271911.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2123101001 is about 46077.1201465543. The cubic root of 2123101001 is about 1285.2577116892.

Adding to 2123101001 its reverse (1001013212), we get a palindrome (3124114213).

The spelling of 2123101001 in words is "two billion, one hundred twenty-three million, one hundred one thousand, one".