1101211313211 has 96 divisors (see below), whose sum is σ = 1758040070400. Its totient is φ = 680961945600.

The previous prime is 1101211313203. The next prime is 1101211313221. The reversal of 1101211313211 is 1123131121011.

1101211313211 is a `hidden beast` number, since 1 + 101 + 211 + 31 + 321 + 1 = 666.

It is not a de Polignac number, because 1101211313211 - 2³ = 1101211313203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1101211313221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 147790036 + ... + 147797486.

It is an arithmetic number, because the mean of its divisors is an integer number (18312917400).

Almost surely, 2^{1101211313211} is an apocalyptic number.

1101211313211 is a deficient number, since it is larger than the sum of its proper divisors (656828757189).

1101211313211 is a wasteful number, since it uses less digits than its factorization.

1101211313211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7814 (or 7789 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 1101211313211 its reverse (1123131121011), we get a palindrome (2224342434222).

The spelling of 1101211313211 in words is "one trillion, one hundred one billion, two hundred eleven million, three hundred thirteen thousand, two hundred eleven".