2211211005 has 8 divisors (see below), whose sum is σ = 3537937632. Its totient is φ = 1179312528.

The previous prime is 2211210971. The next prime is 2211211033. The reversal of 2211211005 is 5001121122.

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

It is not a de Polignac number, because 2211211005 - 2⁶ = 2211210941 is a prime.

It is a super-2 number, since 2×2211211005² = 9778908217266220050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 147414067 = 2211211005 / (2 + 2 + 1 + 1 + 2 + 1 + 1 + 0 + 0 + 5).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73707019 + ... + 73707048.

It is an arithmetic number, because the mean of its divisors is an integer number (442242204).

Almost surely, 2^2211211005 is an apocalyptic number.

It is an amenable number.

2211211005 is a deficient number, since it is larger than the sum of its proper divisors (1326726627).

2211211005 is a wasteful number, since it uses less digits than its factorization.

2211211005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147414075.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 2211211005 is about 47023.5154470612. The cubic root of 2211211005 is about 1302.7969376656.

Adding to 2211211005 its reverse (5001121122), we get a palindrome (7212332127).

The spelling of 2211211005 in words is "two billion, two hundred eleven million, two hundred eleven thousand, five".