1101213211 has 12 divisors (see below), whose sum is σ = 1281978792. Its totient is φ = 943178208.

The previous prime is 1101213209. The next prime is 1101213247. The reversal of 1101213211 is 1123121011.

It is a happy number.

It is not a de Polignac number, because 1101213211 - 2¹ = 1101213209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101213191 and 1101213200.

It is not an unprimeable number, because it can be changed into a prime (1101213271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62376 + ... + 78058.

It is an arithmetic number, because the mean of its divisors is an integer number (106831566).

Almost surely, 2^1101213211 is an apocalyptic number.

1101213211 is a deficient number, since it is larger than the sum of its proper divisors (180765581).

1101213211 is a wasteful number, since it uses less digits than its factorization.

1101213211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17130 (or 17123 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1101213211 is about 33184.5327072719. The cubic root of 1101213211 is about 1032.6594831687.

Adding to 1101213211 its reverse (1123121011), we get a palindrome (2224334222).

The spelling of 1101213211 in words is "one billion, one hundred one million, two hundred thirteen thousand, two hundred eleven".