211002220201 has 4 divisors (see below), whose sum is σ = 212612924304. Its totient is φ = 209391516100.

The previous prime is 211002220199. The next prime is 211002220213. The reversal of 211002220201 is 102022200112.

It is a happy number.

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 211002220201 - 2¹ = 211002220199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211002220291) 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, 805351855 + ... + 805352116.

It is an arithmetic number, because the mean of its divisors is an integer number (53153231076).

Almost surely, 2^211002220201 is an apocalyptic number.

It is an amenable number.

211002220201 is a deficient number, since it is larger than the sum of its proper divisors (1610704103).

211002220201 is a wasteful number, since it uses less digits than its factorization.

211002220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610704102.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 211002220201 its reverse (102022200112), we get a palindrome (313024420313).

The spelling of 211002220201 in words is "two hundred eleven billion, two million, two hundred twenty thousand, two hundred one".