2122001011001 has 4 divisors (see below), whose sum is σ = 2122004715600. Its totient is φ = 2121997306404.

The previous prime is 2122001010953. The next prime is 2122001011037. The reversal of 2122001011001 is 1001101002212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2122001011001 - 2³⁰ = 2120927269177 is a prime.

It is a super-2 number, since 2×2122001011001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122001011201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 790031 + ... + 2206388.

It is an arithmetic number, because the mean of its divisors is an integer number (530501178900).

Almost surely, 2^{2122001011001} is an apocalyptic number.

It is an amenable number.

2122001011001 is a deficient number, since it is larger than the sum of its proper divisors (3704599).

2122001011001 is an equidigital number, since it uses as much as digits as its factorization.

2122001011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3704598.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2122001011001 its reverse (1001101002212), we get a palindrome (3123102013213).

The spelling of 2122001011001 in words is "two trillion, one hundred twenty-two billion, one million, eleven thousand, one".