211020222022201 has 4 divisors (see below), whose sum is σ = 211099226226304. Its totient is φ = 210941217818100.

The previous prime is 211020222022189. The next prime is 211020222022213. The reversal of 211020222022201 is 102220222020112.

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 an interprime number because it is at equal distance from previous prime (211020222022189) and next prime (211020222022213).

It is a cyclic number.

It is not a de Polignac number, because 211020222022201 - 2²¹ = 211020219925049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211020222022501) 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, 39502098045 + ... + 39502103386.

It is an arithmetic number, because the mean of its divisors is an integer number (52774806556576).

Almost surely, 2^{211020222022201} is an apocalyptic number.

It is an amenable number.

211020222022201 is a deficient number, since it is larger than the sum of its proper divisors (79004204103).

211020222022201 is an equidigital number, since it uses as much as digits as its factorization.

211020222022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79004204102.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 211020222022201 its reverse (102220222020112), we get a palindrome (313240444042313).

The spelling of 211020222022201 in words is "two hundred eleven trillion, twenty billion, two hundred twenty-two million, twenty-two thousand, two hundred one".