211120320222001 has 8 divisors (see below), whose sum is σ = 211247711020584. Its totient is φ = 210992934906240.

The previous prime is 211120320221977. The next prime is 211120320222013. The reversal of 211120320222001 is 100222023021112.

It can be written as a sum of positive squares in 4 ways, for example, as 87612127218225 + 123508193003776 = 9360135^2 + 11113424^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 211120320222001 - 2⁴¹ = 208921296966449 is a prime.

It is a super-2 number, since 2×211120320222001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211120320222001.

It is not an unprimeable number, because it can be changed into a prime (211120320226001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77015215 + ... + 79709371.

It is an arithmetic number, because the mean of its divisors is an integer number (26405963877573).

Almost surely, 2^{211120320222001} is an apocalyptic number.

It is an amenable number.

211120320222001 is a deficient number, since it is larger than the sum of its proper divisors (127390798583).

211120320222001 is a wasteful number, since it uses less digits than its factorization.

211120320222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2741411.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 211120320222001 its reverse (100222023021112), we get a palindrome (311342343243113).

The spelling of 211120320222001 in words is "two hundred eleven trillion, one hundred twenty billion, three hundred twenty million, two hundred twenty-two thousand, one".