2201211001 has 8 divisors (see below), whose sum is σ = 2401660800. Its totient is φ = 2000817840.

The previous prime is 2201210989. The next prime is 2201211011. The reversal of 2201211001 is 1001121022.

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 2201211001 - 2²¹ = 2199113849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2201211011) 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, 143155 + ... + 157783.

It is an arithmetic number, because the mean of its divisors is an integer number (300207600).

Almost surely, 2^2201211001 is an apocalyptic number.

It is an amenable number.

2201211001 is a deficient number, since it is larger than the sum of its proper divisors (200449799).

2201211001 is a wasteful number, since it uses less digits than its factorization.

2201211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28319.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2201211001 is about 46917.0651362593. The cubic root of 2201211001 is about 1300.8300420997.

Adding to 2201211001 its reverse (1001121022), we get a palindrome (3202332023).

It can be divided in two parts, 220121 and 1001, that added together give a palindrome (221122).

The spelling of 2201211001 in words is "two billion, two hundred one million, two hundred eleven thousand, one".