1101201211011 has 16 divisors (see below), whose sum is σ = 1609877922048. Its totient is φ = 664006879200.

The previous prime is 1101201211007. The next prime is 1101201211049. The reversal of 1101201211011 is 1101121021011.

It is not a de Polignac number, because 1101201211011 - 2² = 1101201211007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1101201211001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84688255 + ... + 84701256.

It is an arithmetic number, because the mean of its divisors is an integer number (100617370128).

Almost surely, 2^{1101201211011} is an apocalyptic number.

1101201211011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1101201211011 is a deficient number, since it is larger than the sum of its proper divisors (508676711037).

1101201211011 is a wasteful number, since it uses less digits than its factorization.

1101201211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169389722.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1101201211011 its reverse (1101121021011), we get a palindrome (2202322232022).

The spelling of 1101201211011 in words is "one trillion, one hundred one billion, two hundred one million, two hundred eleven thousand, eleven".