2211120021001 has 4 divisors (see below), whose sum is σ = 2307255674112. Its totient is φ = 2114984367892.

The previous prime is 2211120020957. The next prime is 2211120021037. The reversal of 2211120021001 is 1001200211122.

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 2211120021001 - 2⁷ = 2211120020873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211120021301) 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, 48067826521 + ... + 48067826566.

It is an arithmetic number, because the mean of its divisors is an integer number (576813918528).

Almost surely, 2^{2211120021001} is an apocalyptic number.

It is an amenable number.

2211120021001 is a deficient number, since it is larger than the sum of its proper divisors (96135653111).

2211120021001 is an equidigital number, since it uses as much as digits as its factorization.

2211120021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96135653110.

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

Adding to 2211120021001 its reverse (1001200211122), we get a palindrome (3212320232123).

The spelling of 2211120021001 in words is "two trillion, two hundred eleven billion, one hundred twenty million, twenty-one thousand, one".