1201002211 has 4 divisors (see below), whose sum is σ = 1212893424. Its totient is φ = 1189111000.

The previous prime is 1201002199. The next prime is 1201002227. The reversal of 1201002211 is 1122001021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1201002211 - 2¹⁵ = 1200969443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201002241) 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, 5945455 + ... + 5945656.

It is an arithmetic number, because the mean of its divisors is an integer number (303223356).

Almost surely, 2^1201002211 is an apocalyptic number.

1201002211 is a deficient number, since it is larger than the sum of its proper divisors (11891213).

1201002211 is a wasteful number, since it uses less digits than its factorization.

1201002211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11891212.

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

The square root of 1201002211 is about 34655.4788020596. The cubic root of 1201002211 is about 1062.9543224479.

Adding to 1201002211 its reverse (1122001021), we get a palindrome (2323003232).

The spelling of 1201002211 in words is "one billion, two hundred one million, two thousand, two hundred eleven".