1101210111211 has 12 divisors (see below), whose sum is σ = 1281069017280. Its totient is φ = 943843170480.

The previous prime is 1101210111187. The next prime is 1101210111227. The reversal of 1101210111211 is 1121110121011.

It is not a de Polignac number, because 1101210111211 - 2⁷ = 1101210111083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101210111191 and 1101210111200.

It is not an unprimeable number, because it can be changed into a prime (1101210111251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 316941 + ... + 1517521.

It is an arithmetic number, because the mean of its divisors is an integer number (106755751440).

Almost surely, 2^{1101210111211} is an apocalyptic number.

1101210111211 is a deficient number, since it is larger than the sum of its proper divisors (179858906069).

1101210111211 is a wasteful number, since it uses less digits than its factorization.

1101210111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219314 (or 1219307 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 1101210111211 its reverse (1121110121011), we get a palindrome (2222320232222).

The spelling of 1101210111211 in words is "one trillion, one hundred one billion, two hundred ten million, one hundred eleven thousand, two hundred eleven".