211122202001 has 4 divisors (see below), whose sum is σ = 211574284272. Its totient is φ = 210670119732.

The previous prime is 211122201989. The next prime is 211122202009. The reversal of 211122202001 is 100202221112.

211122202001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 211122202001 - 2¹⁰ = 211122200977 is a prime.

It is a super-3 number, since 3×211122202001³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211122202009) 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, 226040435 + ... + 226041368.

It is an arithmetic number, because the mean of its divisors is an integer number (52893571068).

Almost surely, 2^211122202001 is an apocalyptic number.

It is an amenable number.

211122202001 is a deficient number, since it is larger than the sum of its proper divisors (452082271).

211122202001 is an equidigital number, since it uses as much as digits as its factorization.

211122202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452082270.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 211122202001 its reverse (100202221112), we get a palindrome (311324423113).

The spelling of 211122202001 in words is "two hundred eleven billion, one hundred twenty-two million, two hundred two thousand, one".