1206102211 has 4 divisors (see below), whose sum is σ = 1208901024. Its totient is φ = 1203303400.

The previous prime is 1206102137. The next prime is 1206102217. The reversal of 1206102211 is 1122016021.

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 1206102211 - 2¹⁵ = 1206069443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1206102217) 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, 1398760 + ... + 1399621.

It is an arithmetic number, because the mean of its divisors is an integer number (302225256).

Almost surely, 2^1206102211 is an apocalyptic number.

1206102211 is a deficient number, since it is larger than the sum of its proper divisors (2798813).

1206102211 is an equidigital number, since it uses as much as digits as its factorization.

1206102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798812.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1206102211 is about 34728.9822914522. The cubic root of 1206102211 is about 1064.4567930818.

Adding to 1206102211 its reverse (1122016021), we get a palindrome (2328118232).

The spelling of 1206102211 in words is "one billion, two hundred six million, one hundred two thousand, two hundred eleven".