1101121011011 has 8 divisors (see below), whose sum is σ = 1258978646880. Its totient is φ = 943402033728.

The previous prime is 1101121011007. The next prime is 1101121011143. The reversal of 1101121011011 is 1101101211011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1101121011011 - 2² = 1101121011007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101121010983 and 1101121011001.

It is not an unprimeable number, because it can be changed into a prime (1101141011011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34647626 + ... + 34679391.

It is an arithmetic number, because the mean of its divisors is an integer number (157372330860).

Almost surely, 2^{1101121011011} is an apocalyptic number.

1101121011011 is a deficient number, since it is larger than the sum of its proper divisors (157857635869).

1101121011011 is an equidigital number, since it uses as much as digits as its factorization.

1101121011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69329293.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 1101121011011 its reverse (1101101211011), we get a palindrome (2202222222022).

The spelling of 1101121011011 in words is "one trillion, one hundred one billion, one hundred twenty-one million, eleven thousand, eleven".